JPS6010683B2 - folding multilayer - Google Patents

Description

[Detailed description of the invention] FIELD OF THE INVENTION The present invention relates to folding multiers.

Because it is impossible to fold the secondary mulcher tightly, it is difficult to transport and store the mulcher. Since it is designed to be adjusted separately, the disadvantage is that it requires a lot of effort to adjust the intervals of the groove cutting wheels, footboards, and soil covering plates and to replace the rolled mulch sheet due to its complicated structure. there were.

The present invention aims to eliminate the above-mentioned drawbacks, and in order to fold the mulcher tightly, it is separably connected to the rear part of a tiller, etc., and groove cutting wheels are provided on both sides of the lower part. The installed vertical frame body and the roll-shaped multi-sheet support device in order from front to back on both sides,
The horizontal frame with the sheath and soil covering plate attached is foldably connected with connecting pins, and the intervals of the furrowing wheel, footing, and soil covering plate can be adjusted all at once when changing the mulching width. The groove cutting wheels are attached to the lower horizontal member of the vertical frame body using inverted L-shaped brackets so that the interval can be adjusted, and the width of the horizontal frame body is adjusted according to the adjustment of the interval of the groove cutting wheels. In order to easily replace the mulch sheet, one end of the rolled mulch sheet is supported by a fixed support piece that protrudes horizontally from a bracket fixed to one side of the horizontal frame.
The other end of the rolled mulch sheet is supported by a movable support piece horizontally protruding from an opening/closing plate which is pivotally attached to a bracket fixed to the other side of the horizontal frame so that the opening/closing plate can be closed with a latch. This is what I did. Hereinafter, the present invention will be explained in detail with reference to illustrated embodiments.

In the figure, reference numerals 10 and 20 denote a vertical frame body and a horizontal frame body forming the framework of the folding mulcher of the present invention, which are foldably connected by connecting pins 30, 3. The vertical frame 10 has a trapezoidal shape as shown in FIG. As shown in FIG. 1, the vertical frame 10 has a hitch pin 1 on its upper front surface. A metal fitting 2 is attached to connect the vertical frame 10 to the rear part of a tiller or the like in a separable manner. A folding latch 11 is loosely attached to the upper horizontal member of the vertical frame 10 so as to be movable up and down with mounting shafts 12 and 13, and a spring 14 wound around the mounting shaft 13 is attached to the upper horizontal member of the vertical frame 10.
The latch 11 is pressed against the upper surface of the upper horizontal member of the vertical frame 10. A catch 15 is formed at the tip of the latch 11. As shown in FIGS. 3 to 5, horizontal portions 17 and 1 of inverted L-shaped brackets 16 and 16 are provided at both left and right ends of the lower horizontal member of the vertical frame 10, respectively.
7 is attached so that it can be inserted and removed and adjusted and fixed with fixing pins 19, 19. Inverted L-shaped bracket 16,1
Grooving wheels 40, 40 are attached to the vertical parts 18, 18 of 6, and groove cutting wheels 40, 40 are attached to the lower surfaces of the horizontal parts 17, 17, as shown in FIGS. 2 to 5. Bearing portions 31, 31 that support the connecting pins 30, 30 are provided in a protruding manner. As shown in FIGS. 4 and 5, the pair of left and right side frame members 21 are connected to the bearings 31, 31 by connecting pins 30, 30.
, 21 are foldably connected. Side frame member 21
, 21 have corresponding lateral nuclei 22, 22 and 23, 23.
The horizontal machines 22, 22 are connected to each other by a horizontal core 24 for adjusting the distance and a connecting pin 26, and the horizontal machines 23, 23
They are connected to each other by a horizontal machine 25 for adjusting the distance and a connecting pin 27. Side frame village 21, 21 and Fujiki 22, 22, 2
3, 23, horizontal bars 24, 25 for interval adjustment, and connecting pin 26,
27 forms the horizontal frame 20,
The width of the horizontal frame 20 can be adjusted according to the adjustment of the spacing between the groove cutting wheels 40. Horizontal frame 2
As shown in FIG. 1 and FIG.
, tread wheels 60, 60 and soil covering plates 70, 70 are attached.
The rolled multi-sheet support device 50 is shown in FIGS. 1 and 4.
As shown in Figures 6 to 6. Roll-shaped mulch sheet 1
Fixed support pieces 5 that respectively support both ends of the core tube of 00
1 and a movable support piece 52, the fixed support piece 51 is an inverted L-shaped bracket 5 fixed to one side of the horizontal frame 20.
The movable support piece 52 has an inverted L-shaped bracket 54 fixed to the other side of the horizontal frame 20.
The opening/closing plate 55 is pivotably connected to the vertical part of the opening/closing plate 55 so as to be openable/closable. Although not shown, a biasing spring that biases the opening and closing plate 55 in the closing direction is attached to the pivot shaft 56 that pivotally connects the opening and closing plate 55 to the vertical portion of the placket 54. Reference numeral 57 denotes an inverted L-shaped bracket adjacent to the rear of the inverted L-shaped bracket 54 and fixed to two horizontal frames, and a latch 58 is rotatably attached to the vertical part of the bracket 58 on a mounting shaft 59.

55' is a latch receiver provided on the opening/closing plate 55, and as shown in FIG. 4, when the latch 58 is engaged with the latch 55', the opening/closing plate 55 is held in the closed state. .

As shown in FIGS. 1 and 5, the mask board 70 has its handle 71 attached to a mounting shaft 73 on mounting plates 72 that project rearward on both left and right sides of the rear end of the horizontal frame 20. A biasing spring 74 is stretched between the handle 71 and the end of the axle 61 of the pedal wheel 60. As shown in FIG. 2, when the vertical frame body 10 and the horizontal frame body 20 are folded, the horizontal frame 22 or the horizontal core 24 for adjusting the interval pushes up the locking stud 15 against the spring 14 and locks the vertical frame body 10 and the horizontal frame body 20. It is adapted to engage with the fishing rod 15. The folding mulcher of the present invention is constructed as described above, and as shown in FIG. It is used for Latch 5 as shown in Figures 5 and 6.
8 from the holder 55', open the opening/closing plate 55, insert the rolled mulch sheet 100 from the side of the horizontal frame 20, and fix one end of the core tube of the rolled mulch sheet to the fixed support piece 51. Then, while supporting the other end of the winding core tube with one hand, use the other hand to move the opening/closing plate 55 as shown in FIG.
is closed and the movable support piece 52 is inserted into the other end of the core tube to support the other end of the core tube, and then the latch 58 is inserted into the latch receiver 55'.
By closing the opening/closing plate 55, the attachment of the rolled multi-sheet 100 to the rolled multi-sheet support device 50 is completed. Next, after pulling out the end of the mulch sheet and fixing it to the ground, the tractor 3 and rotary tiller 4 are started, and as the tractor 3 runs, the rotary tiller 4 plows and level the ground at the same time.
The ridges are raised using groove cutting wheels 40, 40, the mulch sheet is continuously pulled out on the ridges, the green on both sides of the mulch sheet is pressed down by the tread wheels 60, 60, and then the soil covering plate 70,
701, it is covered with soil. When the horizontal frame 20 is folded as shown in FIG. 2, the mulcher is supported by the groove cutting wheels 40,
You can change direction in small turns around 0. If the horizontal frame body 20 is used in a folded state without attaching the multi-sheet, only the groove cutting wheels 40 and the four-way trowel ridge setting will be performed. During tillage work, the tilling blade comes into contact with stones or hard clods of soil, and the tilling resistance fluctuates, or when the rotary tiller 4 moves up and down due to traveling on an uneven surface, the front of the horizontal frame 20 Connecting pins 30, 3 on both sides
Horizontal part 17,1 of inverted L-shaped bracket 16,16 at 0
Since it is foldably connected to the bearing parts 31, 31 of 7, the horizontal frame 20 does not jump up from the ground. Since the soil-covering plates 70, 70 are always urged to be in contact with the ground by the biasing springs 74, 74, even if the horizontal frame 20 swings up and down, the soil-covering is performed uniformly. Since the opening/closing plate 55 of the rolled multi-sheet support device 50 is closed by the latch 58 and the latch receiver 55' so that it cannot be opened, the rolled multi-sheet 100 does not fall off during mulching. When changing the width of the mulching, move the latch 58 to the latch receiver 55'.
, open the opening/closing plate 55 and remove the rolled multi-sheet 1.
00 from the support device 50, and then, as shown in FIGS. 3 to 5, remove the fixing pin 19 and the connecting pins 26, 27, and adjust the lateral spacing between the inverted L-shaped brackets 16, 16 to the required spacing. and fix it with the fixing pin 19,
Next, the left and right spacing between the side frame members 21, 21, that is, the width of the horizontal frame body 20, is adjusted to match the adjustment of the inverted L-shaped brackets 16, 16, and the two are connected using connecting pins 26, 27, and finally The rolled multi-sheet 100 replaced with
This is how it is installed. By adjusting the width of the horizontal frame 20 to match the adjustment of the inverted L-shaped brackets 16, 16 as described above, the inverted L-shaped brackets 16, 16 can be adjusted.
The intervals between the groove cutting wheels 40, 40 attached to the horizontal frame 20, the tread wheels 60, 60 and the soil covering plates 70, 70 attached to the horizontal frame 20 are adjusted all at once. As is clear from the above description, the present invention provides a structure in which a folding latch is attached to the upper horizontal member of a vertical frame that is separably connected to the rear part of a tiller, etc. The horizontal parts of inverted L-shaped brackets are attached to the left and right ends of the lower horizontal member so that they can be inserted, removed, adjusted, and fixed, and groove cutting wheels are attached to the vertical parts of the inverted L-shaped brackets, and groove cutting wheels are attached to the lower surfaces of the horizontal parts. Attach the bearing part that extends rearward,
A pair of side frame members are formed on each side frame member, each of which is foldably connected to each of the bearing portions by a connecting pin, and the machines are connected to each other by a spacing adjustment tool to form a horizontal frame body whose width is adjustable. At the front of both sides of the horizontal frame, fixed supporting pieces project horizontally from the bracket fixed to the monopod side, and are pivotally connected to the bracket fixed to the side of the pond so as to be openable and closable, and are secured by latches. A roll-shaped multi-sheet support device consisting of movable supporting pieces horizontally protruding from an opening/closing plate that is designed to be closed is provided, and a roll-shaped multi-sheet support device is provided on both sides of the horizontal frame in order from the rear side following the roll-shaped multi-sheet support device. The folding mulcher is provided with a footboard and a soil covering plate, and when the horizontal frame body and the vertical frame body are folded, the horizontal frame body is locked with the folding latch, so the mulcher Because it can be folded perfectly into two, it is easy to transport,
Convenient for storage.

When changing the width of the mulching, adjust the width of the horizontal frame in accordance with the adjustment of the spacing of the groove cutting wheels.
Since the intervals between the soil covering plates are adjusted at the same time, the intervals between the groove cutting wheels, tread wheels, soil covering plates, etc. can be easily, accurately, and quickly adjusted all at once. When replacing a rolled mulch sheet, one end can be supported by the fixed support piece of the rolled mulch sheet support device, so one person can easily replace the rolled mulch sheet, and the movable support piece does not need to be replaced. Since the provided opening/closing plate is closed with a latch, it will not open unexpectedly during use, and the excellent effect that the rolled mulch sheet will not fall off can be achieved.

[Brief explanation of drawings]

The drawings show one embodiment of the present invention, in which Fig. 1 is a side view, Fig. 2 is a side view showing a folded state, and Fig. 3 is a partially cutaway view taken along the X-Y line in Fig. 4. 4 is a partially cutaway plan view of a wide width state, FIG. 5 is a partially cutaway plan view of a narrow width state, and FIG. 6 is a rolled multisheet. A perspective view of the support device, and FIG. 7 is a side view showing the state of use. 10: Vertical frame body, 11: Folding latch, 16: Inverted L-shaped bracket, 17: Horizontal part, 18: Vertical part, 19
: Fixed pin, 20: Horizontal frame body, 21: Side frame member, 22,
23: Machine crosspiece, 24, 25: Horizontal machine for spacing adjustment, 26, 27
: Connecting pin, 30: Connecting pin, 31: Bearing part, 40: Book cutting wheel, 50: Rolled multi-sheet support device, 51:
Fixed support piece, 52: Movable support piece, 53, 54, 57: Inverted L-shaped bracket, 55: Opening/closing plate, 55'; Latch receiver, 5
8: Latch, 60: Footboard, 70: Soil cover plate, 100: Rolled mulch sheet. Figure 1 Figure 2 Figure 3 Figure 4 Figure 5 Figure 6 Figure 7

Claims (1)

[Claims] 1. A folding latch is attached to the upper horizontal member of a vertical frame that is separably connected to the rear of a power tiller, etc., and an inverted L-shape is attached to the left and right ends of the lower horizontal member of the vertical frame, respectively. The horizontal part of the bracket is installed so that it can be inserted and removed and adjusted, and a groove cutting wheel is attached to the vertical part of the inverted L-shaped bracket, and a bearing part that extends rearward is protruded from the lower surface of the horizontal part. A pair of side frame members are foldably connected to each of the bearings by connecting pins, and the horizontal frame members formed on each side frame member are connected to each other by a horizontal frame member for adjusting the interval to form a horizontal frame body whose width can be adjusted. At the front portions of both sides of the horizontal frame, a fixed support piece is provided horizontally protruding from a bracket fixed to one side, and a fixed support piece is pivotally connected to the bracket fixed to the other side so as to be openable and closable, and is secured by a latch. A roll-shaped multi-sheet support device consisting of movable supporting pieces horizontally protruding from an opening/closing plate that is designed to be closed is provided, and a roll-shaped multi-sheet support device is provided on both sides of the horizontal frame in order from the rear side following the roll-shaped multi-sheet support device. A folding mulcher, characterized in that a treadle and a covering plate are provided, and when the horizontal frame body and the vertical frame body are folded, the horizontal frame is locked by the folding latch.