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JP4880141B2 - Lawn stripping device - Google Patents
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JP4880141B2 - Lawn stripping device - Google Patents

Lawn stripping device Download PDF

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Publication number
JP4880141B2
JP4880141B2 JP2001281336A JP2001281336A JP4880141B2 JP 4880141 B2 JP4880141 B2 JP 4880141B2 JP 2001281336 A JP2001281336 A JP 2001281336A JP 2001281336 A JP2001281336 A JP 2001281336A JP 4880141 B2 JP4880141 B2 JP 4880141B2
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Japan
Prior art keywords
stripping
lawn
blade
cutting blade
cutting
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JP2001281336A
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Japanese (ja)
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JP2003088204A (en
Inventor
秋則 湯谷
豊 湯谷
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プリード湯谷株式会社
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Description

【0001】
【発明の属する技術分野】
本発明は、移植用の芝生を芝生の植生圃場から剥ぎ取るための芝生剥ぎ取り装置に関する。
【0002】
【従来の技術】
芝生の植生圃場から移植用の芝生の収穫は重労働である。そこで機械化する試みがなされている。従来から提案されている移植用芝生の切り取り(本発明に云う「剥ぎ取り」)装置としては回転式芝切り取り装置(実開平6-17413号)、すなわち、長円状に巻回された切り取り刃(ノコ刃)が、進行方向に対して左右(直角)方向に回転し、該ノコ刃フレームの下部にて、芝の下面及び側部を切断して、芝を地面より剥離させて切り取る装置が提案されている。また、芝剥ぎ取り刃を前後に振動させながら切り進むことによって、芝を帯状に剥ぎ取る装置も実用化されている。
【0003】
【発明が解決しようとする課題】
切り取り刃が長円状に巻回された回転式芝切り取り装置(実開平6-17413号)の場合、芝生の切り取りに際して切り取り刃が栽培土中を切り進む関係から、切り取り刃の摩耗、破損が著しく、耐久性に難点がある。また、芝生の切り取り幅を決定する縁部がきれいに垂直縁を形成できないし、芝生の切り取り厚を任意に調整できない難点がある。
【0004】
剥ぎ取り刃を振り子式で前後に振りながら前進させる仕組みの芝切取装置の場合、剥ぎ取り刃を前後に振動させて芝の剥ぎ取り作業を行うのは、剥ぎ取り刃の振動幅を大きくしなければ有効に刃が切り進まない。そこで、大きな前後振動幅を有するようにするために、作業中における機体保持に多大な労力を有し、また、該装置の寿命も短いものとなっていた。特に、芝の剥離及び切り取り工程において剥ぎ取り刃を前後に振りながら前進させる振り子式のため、芝生の剥ぎ取り厚さが均一でない難点がある。また、剥ぎ取り厚さの微調整が困難である。加えて、剥ぎ取り速度に限界がある。
【0005】
そこで本発明者は、主として移植用芝生の剥ぎ取り作業を軽減すると共に、芝生の剥ぎ取り厚さを任意に調整でき、しかも、芝生の剥ぎ取りが高能率で行える装置を提供することとした。
【0006】
【課題を解決するための手段】
上記課題を検討した結果、芝生を切断幅方向に縦切りする少なくとも2枚の進行方向と平行に設けられた円形切断刃と、切断幅内芝生の剥ぎ取り深さに配置された略水平方向の剥ぎ取り刃とを進行方向に向けてそれぞれ独立して順に、牽引装置の後方に連結されたフレームに組付けてなる芝生剥ぎ取り装置において、円形切断刃による切り取り部分の芝生の上方で転動する転圧ローラをフレームに対して上下調整可能に設け、剥ぎ取り刃は、転圧ローラの後方で進行方向前後に進退往復動可能に設けてなることを特徴とする芝生剥ぎ取り装置とした。ここにいうフレームは、トラクター、その他の自走式作業機に連結する牽引タイプとしてもよいし、フレーム自体に走行手段としての原動機を設けて、走行輪兼切断刃との連結による走行又は、下方に走行車輪を設けて原動機と連結した自走式とすることもできる。
【0007】
このように、剥ぎ取り刃は進行方向前後に進退可能に設けて芝生を剥ぎ取るようにしている。そのための進退手段として、剥ぎ取り刃の基部に係合したカムの軸と円形切断刃の保持軸とを連繋させて、円形切断刃の回転により剥ぎ取り刃を進行方向前後に進退可能としたのである。
【0008】
また、この芝生剥ぎ取り装置の剥ぎ取り刃は進行方向に尖った構造とし、切断幅方向に複数個所で分割するとよい。剥ぎ取り刃を分割することにより、芝生の剥ぎ取り幅を広狭変更できるし、剥ぎ取り刃の一部に破損や摩耗が生じた場合でもその部分を含む一部の取り替えで対応できる。
【0009】
更に、切断刃を剥ぎ取り刃よりも進行方向前方に少なくとも2枚配置し、剥ぎ取り刃前方に芝生の上方を転動する転圧ローラを設けることによって、切断刃が剥ぎ取り幅を縦方向に切断する。その後、剥ぎ取り刃の先端が剥ぎ取り幅内を進行して転圧ローラとの間に芝生を挟持しながら剥離していくのである。
【0010】
この芝生剥ぎ取り装置は、トラクター等の農作業機を利用した牽引装置の後方にフレームを連結して用いるのが好ましい。フレームを牽引装置の後方に連結し、牽引することによって切断刃が剥ぎ取り幅を縦方向に切断しながら、その後方の剥ぎ取り刃の先端が剥ぎ取り幅内を進行して芝生を剥離する。この時、転圧ローラに上下調節手段を設けると芝生の剥ぎ取り厚を可変にすることができる。
【0011】
芝生剥ぎ取り装置の切断刃は円形切断刃とし、かつ外周に鋸歯を有する構造が好ましい。これによって、切断刃が剥ぎ取り幅部分を縦方向に切断することができるし、装置の移動を可能とする車輪を兼ねると共に、以下に示す剥ぎ取り刃を進行方向前後に進退させるための駆動源となり得るのである。
【0012】
本発明では、剥ぎ取り刃を進行方向前後に進退させるために、剥ぎ取り刃は、その直前に設けた転圧ローラの転圧力と、剥ぎ取り刃の基部に係合したカムの保持軸と連繋させて、芝生の剥ぎ取り厚さを可変とする。具体的には、剥ぎ取り刃の基部に係合したカムの保持軸と円形切断刃の保持軸とを連繋させて、円形切断刃の回転により剥ぎ取り刃を進行方向前後に進退可能としたのである。
【0013】
【発明の実施の形態】
以下本発明を図面に基づいて詳細に説明する。図1は本発明の芝生剥ぎ取り装置を牽引のためのトラクターに連結した場合の側面図、図2は本発明の芝生剥ぎ取り装置の側面図、図3は平面図である。これらの図から明らかなように、この芝生剥ぎ取り装置は、トラクター20等の農作業機を利用した牽引装置の後方にフレーム1を連結して用いることができる。フレーム1の下方には芝生を切断幅方向に縦切りする左右の切断刃2,2と、芝生の剥ぎ取り深さに配置された略水平方向の剥ぎ取り刃3が組付けられている。切断刃2,2は剥ぎ取り刃3よりも進行方向前方(図面左方向)に配置している。剥ぎ取り刃3の前方に芝生の上方を転動する転圧ローラ4を設けている。切断刃2,2が剥ぎ取り幅を縦方向に切断しながら、その後方で転圧ローラ4が芝生を上方から転動押圧しつつ、剥ぎ取り刃3の先端が剥ぎ取り幅内を進行して転圧ローラ4との間で芝生を剥離していくのである。
【0014】
転圧ローラ4はフレーム1に対して上下調整可能に保持させている。転圧ローラ取付軸5をフレーム1に対して上下動可能とするために、転圧ローラ取付軸5の軸受けを上部がネジ構造の昇降ロッド6に取付け、昇降ロッド6上方のハンドル19を回転させることによって、転圧ローラ4をフレーム1に対して上下調整できるようにしている。これによって芝生の上部を転動する転圧ローラ4と地中を進む剥ぎ取り刃3との間隔が相対的に変わり、芝生の剥ぎ取り厚を変えることができるようにしている。
【0015】
剥ぎ取り刃3は地中を進行方向する際に前後に進退往復動させるために、剥ぎ取り刃3の基部に保持ロッド7を有しており、この保持ロッド7に復帰バネ8を外挿している。保持ロッド7の端部は保持軸9に設けられた回転カム10に接触させている。回転カム10の保持軸9はスプロケット11,12,13及びそれらに張架されたチェン15,16,17を介して円形切断刃2の保持軸14と連繋している。切断刃2が切断時に回転すると、回転カム10が回転して、それと接している保持ロッド7が進退し,それに取り付けられた剥ぎ取り刃3が進退しながら地中の芝生のランナーを土壌から剥がしつつ、芝生剥ぎ取り装置はトラクター等の牽引装置と共に進行方向へ移動するのである。
【0016】
芝生の切断幅を変更したい場合は、両側に設けた切断刃2,2の取り付け間隔を変えるとか、複数に分割されている剥ぎ取り刃3の全幅を変更することによって可能である。
【0017】
走行時の装置の荷重は切断刃2、芝生の上部を転動する転圧ローラ4と地中を進む剥ぎ取り刃3とに掛かって剥ぎ取り時に重要である。剥ぎ取り走行時又は移動時の容易性の面から、この実施例のように、フレーム1の剥ぎ取り刃3の後方へ補助輪18を設けてもよい。
【0018】
【発明の効果】
本発明によって、移植用芝生の剥ぎ取り作業を牽引可能なトラクター等の作業機によって牽引することのみによって可能としたので、剥ぎ取り作業の労力を軽減した。作業者が未経験者でもトラクター等を操作できる者であれば、老若男女だれでも作業ができる。更に作業者に機械の振動があまりなく、関節痛、ハクロウ病等の罹病の可能性が少ない。
【0019】
芝生の剥ぎ取り厚さを任意に調整することができ、しかも、芝生の剥ぎ取りを高能率で行なうことができる。剥ぎ取った芝生の厚みにムラがなく、薄手のものでも破断することなく剥ぎ取ることができる。移植先での施工側の要望に合った幅、長さの芝生製品の提供が可能である。そこで、植生芝生の移植先での移植の効率化が可能である。特に、特許第2997447号によって提案済みの一枚又は複数枚のネットを展開して芝を生長させ、芝根を前記ネットに絡ませることで芝を担持させた後、これらネットの下方から根切りをして剥がす方法の植生用芝シートの製造に好適である。
【0020】
縦方向の切断刃と水平方向の剥ぎ取り刃を分離させ、かつ、水平方向の剥ぎ取り刃を分割させたので、メンテナンスや刃物の調達を容易にできるようになった。
【図面の簡単な説明】
【図1】 本発明の芝生剥ぎ取り装置を牽引のためのトラクターに連結した場合の側面図である。
【図2】 本発明の芝生剥ぎ取り装置の側面図である。
【図3】 本発明の芝生剥ぎ取り装置の平面図である。
【符号の説明】
1 フレーム
2 切断刃
3 剥ぎ取り刃
転圧ローラ
転圧ローラ取付軸
6 昇降ロッド
7 保持ロッド
8 復帰バネ
9 保持軸
10 回転カム
11 スプロケット
12 スプロケット
13 スプロケット
14 保持軸
15 チェン
16 チェン
17 チェン
18 補助輪
19 ハンドル
[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a lawn stripping device for stripping a transplanting lawn from a lawn vegetation field .
[0002]
[Prior art]
Harvesting lawn vegetation fields for transplanting is hard work. There are attempts to mechanize it. Cut implantable lawn has been proposed a rotary lawn cut device as a device ( "stripping" refers to the present invention) (real-Open No. 6-17413), i.e., cut blades wound in an oval shape (Saw blade) is a device that rotates in the left and right (right angle) direction with respect to the traveling direction, cuts the lower surface and side portions of the turf at the lower part of the saw blade frame, and peels the turf off the ground. Proposed. In addition, a device for stripping turf in a strip shape by moving the turf stripping blade while vibrating back and forth has been put into practical use.
[0003]
[Problems to be solved by the invention]
In the case of a rotary turf cutting device in which the cutting blade is wound in an oval shape (Japanese Utility Model Laid-Open No. 6-17413), the cutting blade is worn and damaged due to the cutting blade moving through the cultivation soil when cutting the lawn. Remarkably, there is a difficulty in durability. In addition, the edge that determines the cut-out width of the lawn cannot form a clean vertical edge, and the cut-out thickness of the lawn cannot be adjusted arbitrarily.
[0004]
In the case of a turf cutting device that moves the stripping blade back and forth with a pendulum type, the stripping blade must be vibrated back and forth to perform the turf stripping operation in order to increase the vibration width of the stripping blade. If the blade does not advance effectively. Therefore, in order to have a large longitudinal vibration width, a great deal of labor is required for holding the machine body during work, and the life of the apparatus is also short. In particular, since the pendulum type moves forward while swinging the stripping blade back and forth in the turf peeling and cutting process, there is a problem that the stripping thickness of the lawn is not uniform. In addition, it is difficult to finely adjust the stripping thickness. In addition, the stripping speed is limited.
[0005]
Therefore, the present inventor has decided to provide an apparatus that can reduce the lawn peeling thickness as well as reduce the lawn peeling thickness while reducing the work of removing the lawn for transplantation.
[0006]
[Means for Solving the Problems]
As a result of examining the above-mentioned problems, at least two circular cutting blades that are cut in the longitudinal direction of the lawn in the cutting width direction and a substantially horizontal direction arranged at the stripping depth of the lawn within the cutting width. In the lawn stripping device assembled to the frame connected to the rear of the traction device in turn, independently in the advancing direction, the stripping blade rolls above the grass at the portion cut by the circular cutting blade. The rolling roller is provided so as to be vertically adjustable with respect to the frame, and the peeling blade is provided behind the rolling roller so as to be movable back and forth in the forward and backward directions . The frame here may be a towing type that is connected to a tractor or other self-propelled working machine, or is provided with a prime mover as a running means on the frame itself, and is driven by connecting with a running wheel and cutting blade or below. It is also possible to provide a self-propelled type in which traveling wheels are connected to the prime mover.
[0007]
In this way, the stripping blade is provided so as to be movable back and forth in the traveling direction so as to strip the lawn. As the advance and retreat means, the cam shaft engaged with the base of the stripping blade and the holding shaft of the circular cutting blade are connected, and the stripping blade can be moved forward and backward by the rotation of the circular cutting blade. is there.
[0008]
Further, the stripping blade of the lawn stripping device has a sharp structure in the traveling direction, and may be divided at a plurality of locations in the cutting width direction. By dividing the stripping blade, the stripping width of the lawn can be changed widely, and even if a part of the stripping blade is damaged or worn, it can be dealt with by replacing part of the stripping blade.
[0009]
Furthermore, by arranging at least two cutting blades ahead of the stripping blade in the direction of travel and providing a rolling roller that rolls above the lawn in front of the stripping blade, the cutting blade has a stripping width in the vertical direction. Disconnect. Thereafter, the tip of the stripping blade advances within the stripping width and peels while sandwiching the lawn with the rolling roller.
[0010]
This lawn stripping device is preferably used with a frame connected to the rear of a traction device using a farm machine such as a tractor. When the frame is connected to the rear of the traction device and pulled, the cutting blade cuts the stripping width in the vertical direction, and the tip of the stripping blade behind it advances within the stripping width to peel off the lawn. In this case, it is possible to stripping thickness lawn variable The provision of upper and lower adjustment means on the compacting roller.
[0011]
The cutting blade of the lawn stripping device is preferably a circular cutting blade and a structure having a sawtooth on the outer periphery. As a result, the cutting blade can cut the stripped width portion in the vertical direction, and also serves as a wheel that enables movement of the apparatus, and a drive source for moving the stripping blade shown below forward and backward in the traveling direction. It can be.
[0012]
In the present invention, in order to advance and retract the peeling blade back and forth in the traveling direction, the peeling blade is linked to the rolling force of the rolling roller provided immediately before it and the holding shaft of the cam engaged with the base of the peeling blade. Let the stripping thickness of the lawn be variable. Specifically, the cam holding shaft engaged with the base of the peeling blade and the holding shaft of the circular cutting blade are connected to each other, and the cutting blade can be moved forward and backward by the rotation of the circular cutting blade. is there.
[0013]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, the present invention will be described in detail with reference to the drawings. FIG. 1 is a side view when the lawn stripping device of the present invention is connected to a tractor for traction, FIG. 2 is a side view of the lawn stripping device of the present invention, and FIG. 3 is a plan view. As is apparent from these drawings, this lawn stripping device can be used with the frame 1 connected to the rear of a traction device using a farm working machine such as the tractor 20. Below the frame 1, left and right cutting blades 2, 2 for vertically cutting the lawn in the cutting width direction, and a substantially horizontal stripping blade 3 disposed at the lawn stripping depth are assembled. The cutting blades 2 and 2 are arranged in front of the stripping blade 3 in the traveling direction (left direction in the drawing). A rolling roller 4 that rolls above the lawn is provided in front of the stripping blade 3. While the cutting blades 2 and 2 cut the stripping width in the longitudinal direction, the rolling roller 4 rolls and presses the lawn from above at the rear, and the tip of the stripping blade 3 advances within the stripping width. The lawn is peeled from the rolling roller 4.
[0014]
The rolling roller 4 is held so as to be vertically adjustable with respect to the frame 1. In order to enable the rolling roller mounting shaft 5 to move up and down with respect to the frame 1, the bearing of the rolling roller mounting shaft 5 is mounted on a lifting rod 6 having an upper screw structure, and a handle 19 above the lifting rod 6 is rotated. Thus, the rolling roller 4 can be adjusted up and down with respect to the frame 1. This change relatively the distance between the stripping blades 3 advances the compaction roller 4 and the ground rolling the top of the lawn, so that it is possible to change the stripping thickness lawn.
[0015]
The stripping blade 3 has a holding rod 7 at the base of the stripping blade 3 in order to move back and forth back and forth when traveling in the ground, and a return spring 8 is extrapolated to the holding rod 7. Yes. The end of the holding rod 7 is brought into contact with a rotating cam 10 provided on the holding shaft 9. The holding shaft 9 of the rotary cam 10 is connected to the holding shaft 14 of the circular cutting blade 2 through sprockets 11, 12, 13 and chains 15, 16, 17 stretched around them. When the cutting blade 2 rotates at the time of cutting, the rotating cam 10 rotates, the holding rod 7 in contact therewith advances and retreats, and the stripping blade 3 attached to it advances and retreats to peel off the lawn runner in the ground from the soil. Meanwhile , the lawn stripping device moves in the traveling direction together with the traction device such as a tractor .
[0016]
When it is desired to change the cutting width of the lawn, it is possible to change the mounting interval of the cutting blades 2, 2 provided on both sides, or to change the entire width of the stripping blade 3 divided into a plurality.
[0017]
The load of the apparatus at the time of traveling is important at the time of peeling off by being applied to the cutting blade 2, the rolling roller 4 that rolls on the upper part of the lawn, and the peeling blade 3 that travels in the ground. From the aspect of ease of stripping travel or movement, an auxiliary wheel 18 may be provided behind the stripping blade 3 of the frame 1 as in this embodiment.
[0018]
【Effect of the invention】
According to the present invention, the removal work of the transplanting lawn can be performed only by towing with a working machine such as a tractor that can be pulled, so that the labor of the peeling work is reduced. As long as the worker is an inexperienced person and can operate the tractor etc., both men and women can work. Furthermore, the operator does not have much vibration of the machine, and there is little possibility of morbidity such as joint pain and owl disease.
[0019]
The stripping thickness of the lawn can be arbitrarily adjusted, and the stripping of the lawn can be performed with high efficiency. There is no unevenness in the thickness of the peeled lawn, and even a thin one can be peeled off without breaking. It is possible to provide lawn products with a width and length that meet the requirements of the construction side at the transplant destination. Therefore, it is possible to improve the efficiency of transplantation at the transplantation destination of the vegetation lawn. In particular, one or more nets proposed by Japanese Patent No. 2997447 are developed to grow grass, and turf is entangled with the net to carry the grass, and then the roots are cut from below the nets. It is suitable for the production of a vegetation turf sheet by the method of peeling off.
[0020]
The longitudinal cutting blade and horizontal stripping blades are separated, and, since then dividing the horizontal stripping blade, can now easily procure maintenance and cutlery.
[Brief description of the drawings]
FIG. 1 is a side view of a lawn stripping device according to the present invention connected to a tractor for traction.
FIG. 2 is a side view of the lawn stripping device of the present invention.
FIG. 3 is a plan view of the lawn stripping device of the present invention.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Frame 2 Cutting blade 3 Stripping blade 4 Rolling roller 5 Rolling roller mounting shaft 6 Lifting rod 7 Holding rod 8 Return spring 9 Holding shaft
10 Rotating cam
11 Sprocket
12 Sprocket
13 Sprocket
14 Holding shaft
15 Chen
16 Chen
17 Chen
18 Auxiliary wheel
19 Handle

Claims (2)

芝生を切断幅方向に縦切りする少なくとも2枚の進行方向と平行に設けられた円形切断刃と、切断幅内芝生の剥ぎ取り深さに配置された略水平方向の剥ぎ取り刃とを進行方向に向けてそれぞれ独立して順に、牽引装置の後方に連結されたフレームに組付けてなる芝生剥ぎ取り装置において、
円形切断刃による切り取り部分の芝生の上方で転動する転圧ローラをフレームに対して上下調整可能に設け、
剥ぎ取り刃は、転圧ローラの後方で進行方向前後に進退往復動可能に設けてなることを特徴とする芝生剥ぎ取り装置。
At least a circular cutting blade which is provided in parallel with the two traveling direction, the traveling direction and a stripping blade arranged substantially horizontally stripping depth cutting width in lawns that slitting the lawn cutting width direction In the lawn stripping device assembled to the frame connected to the rear of the traction device in turn independently toward each other ,
A rolling roller that rolls above the grass at the cut-out part by the circular cutting blade is provided so that it can be adjusted up and down with respect to the frame
The lawn stripping device is characterized in that the stripping blade is provided so as to be capable of moving back and forth in the forward and backward direction behind the rolling roller.
剥ぎ取り刃の進行方向前後の進退往復動は、剥ぎ取り刃の基部に係合したカムの保持軸と円形切断刃の保持軸とを連繋させて、円形切断刃の回転により剥ぎ取り刃を進行方向前後に進退往復動可能とした請求項1記載の芝生剥ぎ取り装置。 The reciprocating motion of the peeling blade in the forward and backward direction is connected to the holding shaft of the cam that is engaged with the base of the peeling blade and the holding shaft of the circular cutting blade, and the peeling blade advances by rotating the circular cutting blade. The lawn stripping device according to claim 1, which can be moved back and forth in the forward and backward directions.
JP2001281336A 2001-09-17 2001-09-17 Lawn stripping device Expired - Lifetime JP4880141B2 (en)

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CN101926239A (en) * 2010-07-20 2010-12-29 管祥生 Lawn mower
KR102115795B1 (en) * 2018-02-07 2020-05-27 주식회사 코리아그린텍 The method of changing lawn glass species
CN109511475B (en) * 2018-11-28 2021-07-06 商丘师范学院 A hanging turf transplanter

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JPH03266913A (en) * 1990-03-17 1991-11-27 Toyomi Tanaka Apparatus for peeling and cutting lawn
JPH04144602A (en) * 1990-10-05 1992-05-19 Yoshio One Machine for renewal of lawn
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