JP2011026852A - Levee for field, levee construction method, and levee construction device - Google Patents

Levee for field, levee construction method, and levee construction device Download PDF

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JP2011026852A
JP2011026852A JP2009173949A JP2009173949A JP2011026852A JP 2011026852 A JP2011026852 A JP 2011026852A JP 2009173949 A JP2009173949 A JP 2009173949A JP 2009173949 A JP2009173949 A JP 2009173949A JP 2011026852 A JP2011026852 A JP 2011026852A
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soil
shore
excavation
cement
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Naomi Nakagawa
七生海 中川
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SAN ENGINEERING KK
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SAN ENGINEERING KK
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Abstract

<P>PROBLEM TO BE SOLVED: To easily construct a levee 2 of substantially uniform strength. <P>SOLUTION: This levee construction device or the like includes an excavation stirring means 29 for excavation-stirring a soil of a levee construction portion 3 in a field 1, an injection means 32 for injecting a curing material paste 6 containing a soil curing material 11 in an excavated soil 4 stirred by the excavation stirring means 29, and a molding means 33 for molding the excavated soil 4 kneaded with the curing material paste 6 stirred by the excavation stirring means 29 into a predetermined shape. The excavation stirring means 29 includes an excavation stirring tool 46 in an outer circumference of a hollow rotary shaft 45 rotated around a vertical shaft, the injection means 32 has an injection port 55 formed in the rotary shaft 45, and the curing material paste 6 is injected from an injection passage 54 in an inside of the rotary shaft 45 through the injection port 55. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

本発明は、圃場用畦畔、畦畔施工方法及び畦畔施工装置に関するものである。   The present invention relates to a farm shore, a shore construction method, and a shore construction apparatus.

水田等の圃場の畦畔には、その周囲を取り囲むように畦畔が設けられている。この圃場用の畦畔には、周辺の土壌を固めた土畦畔の他にコンクリート製のコンクリート畦畔、合成樹脂製の畦畔用の構成材を畦畔施工箇所に埋設して成形された構成材埋設畦畔(特許文献1)、畦畔施工箇所の土壌をセメントで硬化させたセメント硬化畦畔(特許文献2)等がある。   On the shore of a field such as a paddy field, a shore is provided so as to surround the periphery. In addition to the earthen shore that hardened the surrounding soil, the concrete shoreline made of concrete and the synthetic resin shoreline components were embedded in the shoreline construction site. There are a component-buried shore (Patent Document 1), a cement-cured shore (Patent Document 2) obtained by curing the soil of the shore construction site with cement, and the like.

コンクリート畦畔は畦畔施工箇所を掘削して型枠を組み、その型枠内にコンクリートを充填し硬化させてコンクリート壁を形成するものであり、構成材埋設畦畔は畦畔施工箇所に溝を掘削し、その溝に中空4角形状の合成樹脂製の構成部材を所定幅に並べて埋設したものである。   The concrete berth is where the pier construction site is excavated to form a formwork, and concrete is filled into the formwork and hardened to form a concrete wall. And a hollow quadrangular synthetic resin component is arranged in a predetermined width in the groove.

またセメント硬化畦畔は畦畔施工箇所の地表面にセメントを散布し、その上から界面活性剤とエマルジョン樹脂とを含む養生水を散布した後、畦畔施工箇所の土壌を掘削し攪拌して、その掘削土壌にセメント及び養生水を混合して鎮圧し、セメントにより土壌を硬化させたものである。   In addition, the cement-cured shore is sprayed with cement on the ground surface of the shore construction site, and then the curing water containing surfactant and emulsion resin is sprayed on it, and then the soil at the shore construction site is excavated and stirred. The excavated soil is mixed with cement and curing water and pressed to harden the soil with cement.

特開2003−41562号公報JP 2003-41562 A 特開平11−117292号公報Japanese Patent Laid-Open No. 11-117292

コンクリート畦畔は、従来の土畦畔に比較して水漏れ等がない上に、耐久性に優れ長期間にわたって補修が不要になる等の利点があるが、施工が非常に大掛かりであって多額の工事費を要し、しかもロータリ装置等により圃場の畔際を耕耘する際に耕耘爪、爪軸等がコンクリート畦畔と接触して損傷するという問題がある。   Compared to conventional earthen shores, concrete shores have advantages such as excellent water resistance and no need for repair over a long period of time, but construction is very large and expensive. In addition, there is a problem that the tilling nail, the nail shaft, etc. come into contact with the concrete ridge and are damaged when the shore is cultivated by a rotary device or the like.

構成材埋設畦畔は特別な合成樹脂製の構成材を準備する必要があり、また畦畔施工箇所に溝を掘削して構成材を埋設するため、コンクリート畦畔程ではないまでも、施工がかなり大掛かりなものとなる欠点がある。しかも施工後の畦畔は合成樹脂製の構成材が地面から露出した状態であるため、耐候を有する構成材を使用しない限り比較的短期間で劣化する惧れがあり、またロータリ装置の耕耘爪、爪軸等との接触により構成材が損傷し易いという問題もある。   It is necessary to prepare a special synthetic resin component on the burial site of the component material, and since the component material is buried by excavating a groove in the burial site, the construction work is not required even if it is not as close to the concrete shore. There are drawbacks that are quite large. Moreover, since the plastic lining is exposed from the ground on the shore after construction, there is a risk of deterioration in a relatively short period of time unless a weather resistant component is used. There is also a problem that the constituent material is easily damaged by contact with the nail shaft and the like.

セメント硬化畦畔は、畦畔施工箇所の土壌をセメントで硬化させたものであるため、比較的施工が容易である上に耐久性に優れ、また畔際の耕耘時に耕耘爪等が畦畔に接触しても、その接触箇所の畦畔が損傷する程度であって、耕耘爪等の損傷を極力少なくできる利点がある。   The cement-cured shore is made by hardening the soil at the shore construction site with cement, so it is relatively easy to construct and has excellent durability. Even if it comes into contact, there is an advantage that damage to the tilling nail and the like can be reduced as much as possible.

しかし、このセメント硬化畦畔は畦畔施工箇所の地表面にセメントを散布し、その上から界面活性剤とエマルジョン樹脂とを含む養生水を散布した後、その畦畔施工箇所の土壌を掘削して攪拌するため、畦畔施工箇所の掘削土壌に対してセメント及び養生水を均一に混合することが非常に困難であり、局部的に強度が極端に低下する箇所ができる等バラツキが生じ易いという欠点がある。   However, this hardened cement ridge spreads the cement on the ground surface of the shore construction site, and then sprays the curing water containing surfactant and emulsion resin on it, and then excavates the soil at the shore construction site. Therefore, it is very difficult to uniformly mix cement and curing water with the excavated soil at the shore construction site, and it is easy to cause variations such as the location where the strength decreases extremely locally. There are drawbacks.

本発明は、このような従来の課題に鑑み、土壌硬化材を含む硬化材ペーストを利用することにより比較的簡単な方法で容易に略均一に施工できる圃場用畦畔、畦畔施工方法及び畦畔施工装置を提供することを目的とする。   In view of such a conventional problem, the present invention provides a farm shoreline, a shoreline construction method, and a culm that can be easily and substantially uniformly constructed by a relatively simple method by using a curing material paste containing a soil curing material. The purpose is to provide a shore construction device.

本発明に係る圃場用畦畔は、圃場1の畦畔施工箇所3において該畦畔施工箇所3の土壌を掘削した掘削土壌4中に土壌硬化材11を含む硬化材ペースト6を注入し、前記掘削土壌4と前記硬化材ペースト6とを混練して前記土壌硬化材11により前記掘削土壌4を硬化させたものである。   The farm shoreline according to the present invention injects a hardener paste 6 containing a soil hardening material 11 into excavated soil 4 excavated from the shoreline construction site 3 in the shoreline construction site 3 of the field 1, The excavated soil 4 and the hardener paste 6 are kneaded and the excavated soil 4 is hardened by the soil hardener 11.

本発明に係る畦畔施工方法は、圃場1の畦畔施工箇所3の土壌を掘削してその掘削土壌4を前記畦畔施工箇所3で攪拌しながら、該掘削土壌4中に土壌硬化材11を含む硬化材ペースト6を注入して、前記掘削土壌4と前記硬化材ペースト6とを混練した後、前記土壌硬化材11により前記掘削土壌4を硬化させて畦畔とするものである。   The shore construction method according to the present invention excavates the soil at the shore construction site 3 of the field 1 and agitate the excavated soil 4 at the shore construction site 3 while the soil hardening material 11 is contained in the excavated soil 4. The digging soil 4 and the curable soil paste 6 are injected and the digging soil 4 and the curable material paste 6 are kneaded.

前記硬化材ペースト6に界面活性剤12、高分子エマルジョン樹脂13を配合してもよい。前記土壌硬化材がセメント11でもよい。   A surfactant 12 and a polymer emulsion resin 13 may be blended in the curing material paste 6. The soil hardening material may be cement 11.

本発明に係る畦畔施工装置は、圃場1の畦畔施工箇所3の土壌を掘削攪拌する掘削攪拌手段29と、該掘削攪拌手段29により攪拌される掘削土壌4中に土壌硬化材11を含む硬化材ペースト6を注入する注入手段32と、前記掘削攪拌手段29により攪拌されて前記硬化材ペースト6と混練された前記掘削土壌4を所定形状に成形する成形手段33とを備えたものである。   The shore construction apparatus according to the present invention includes excavation agitation means 29 for excavating and agitating the soil at the shore area 3 of the farm field 1, and the soil hardening material 11 in the excavated soil 4 agitated by the excavation agitation means 29. An injection means 32 for injecting the hardener paste 6 and a forming means 33 for forming the excavated soil 4 stirred and kneaded by the excavating and stirring means 29 into a predetermined shape. .

前記掘削攪拌手段29は縦軸心廻りに回転する中空状の回転軸45の外周に掘削攪拌具46を備え、前記注入手段32は前記回転軸45に形成された注入口55を有し、前記回転軸45内の注入通路54を経て前記注入口55を経て前記硬化材ペースト6を注入するものでもよい。   The excavating and stirring means 29 includes a drilling and stirring tool 46 on the outer periphery of a hollow rotating shaft 45 that rotates about a longitudinal axis, and the injection means 32 has an injection port 55 formed in the rotating shaft 45. The hardening material paste 6 may be injected through the injection port 55 through the injection passage 54 in the rotating shaft 45.

本発明に係る圃場用畦畔は、圃場1の畦畔施工箇所3において該畦畔施工箇所3の土壌を掘削した掘削土壌4中に土壌硬化材11を含む硬化材ペースト6を注入し、掘削土壌4と硬化材ペースト6とを混練して土壌硬化材11により掘削土壌4を硬化させているので、比較的簡単な方法で強度の略均一な畦畔2を容易に施工することができる。   The farm shoreline according to the present invention injects a hardener paste 6 including a soil hardening material 11 into excavated soil 4 excavated from the shoreline construction site 3 at the shoreline construction site 3 of the farm field 1. Since the soil 4 and the hardener paste 6 are kneaded and the excavated soil 4 is hardened by the soil hardener 11, the shore 2 having a substantially uniform strength can be easily constructed by a relatively simple method.

また本発明に係る畦畔施工方法は、圃場1の畦畔施工箇所3の土壌を掘削してその掘削土壌4を畦畔施工箇所3で攪拌しながら、該掘削土壌4中に土壌硬化材11を含む硬化材ペースト6を注入して、掘削土壌4と硬化材ペースト6とを混練した後、土壌硬化材11により掘削土壌4を硬化させて畦畔2とするので、比較的簡単な方法で強度の略均一な畦畔2を容易に施工することができる。   In addition, the shore construction method according to the present invention excavates the soil at the shore construction site 3 of the field 1 and agitate the excavated soil 4 at the shore construction site 3 while the soil hardening material 11 is contained in the excavated soil 4. After the digging soil 4 and the curable material paste 6 are kneaded and the digging soil 4 is cured by the soil curable material 11 to form the ridge 2, a relatively simple method is used. The shore 2 having a substantially uniform strength can be easily constructed.

更に本発明に係る畦畔施工装置は、圃場1の畦畔施工箇所3の土壌を掘削攪拌する掘削攪拌手段29と、該掘削攪拌手段29により攪拌される掘削土壌4中に土壌硬化材11を含む硬化材ペースト6を注入する注入手段32と、掘削攪拌手段29により攪拌されて硬化材ペースト6と混練された掘削土壌4を所定形状に成形する成形手段33とを備えているので、強度の略均一な畦畔2を容易に施工することができる。   Furthermore, the shore construction apparatus according to the present invention includes the excavation stirring means 29 for excavating and stirring the soil at the shore construction site 3 of the field 1 and the soil hardening material 11 in the excavated soil 4 stirred by the excavation stirring means 29. Since it includes an injection means 32 for injecting the hardener paste 6 containing, and a molding means 33 for shaping the excavated soil 4 agitated by the excavation stirring means 29 and kneaded with the hardener paste 6 into a predetermined shape. A substantially uniform ridge 2 can be easily constructed.

本発明の第1の実施形態を示す畦畔構造の断面図である。It is sectional drawing of the ridge structure which shows the 1st Embodiment of this invention. 同畦畔施工方法を示すブロック図である。It is a block diagram which shows the same shore construction method. 同セメントペーストを示すブロック図である。It is a block diagram which shows the cement paste. 同トラクタ装着型畦畔施工装置の断面図である。It is sectional drawing of the tractor mounting type shore construction apparatus. 同トラクタ装着型畦畔施工装置の平面図である。It is a top view of the tractor mounting type shore construction apparatus. 同掘削攪拌手段の一部破断側面図である。It is a partially broken side view of the excavation stirring means. 同成形手段の一部破断背面図である。It is a partially broken rear view of the forming means. 同注入手段の説明図である。It is explanatory drawing of the injection | pouring means. 本発明の第2の実施形態を示す畦畔施工装置の断面図である。It is sectional drawing of the pier construction apparatus which shows the 2nd Embodiment of this invention. 同畦畔施工装置の平面図である。It is a top view of the same shore construction apparatus. 同要部の断面図である。It is sectional drawing of the principal part. 本発明の第3の実施形態を示す成形手段の背面図である。It is a rear view of the shaping | molding means which shows the 3rd Embodiment of this invention. 本発明の第4の実施形態を示す畦畔施工装置の断面図である。It is sectional drawing of the pier construction apparatus which shows the 4th Embodiment of this invention. 同畦畔施工構造の断面図である。It is sectional drawing of the same ridge construction structure. 本発明の第5の実施形態を示す畦畔施工装置の平面図である。It is a top view of the pier construction apparatus which shows the 5th Embodiment of this invention. 本発明の第6の実施形態を示す畦畔施工構造の断面図である。It is sectional drawing of the ridgeline construction structure which shows the 6th Embodiment of this invention.

以下、本発明の各実施形態を図面に基づいて詳述する。図1〜図8は本発明の第1の実施形態を例示する。図1は水田等の圃場1間の従来の土畦畔等をセメント硬化畦畔2に改良した場合を示す。セメント硬化畦畔2は上下に長い縦長矩形状の断面形状を有し、上端側の一部を残す略全体が地中に埋入している。   Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. 1 to 8 illustrate a first embodiment of the present invention. FIG. 1 shows a case where a conventional earthen shore between fields 1 such as paddy fields is improved to a cement-hardened shore 2. The cement-cured ridge 2 has a vertically long rectangular cross-sectional shape that is long in the vertical direction, and substantially the entire portion that leaves a part on the upper end side is buried in the ground.

なお、セメント硬化畦畔2は縦長状である必要はなく、施工場所によってはセメント硬化畦畔2の上下方向の寸法よりも左右方向の幅を大にしてもよい。またセメント硬化畦畔2が十分な幅を有するか、又は十分な埋め込み深さを有するか等により、セメント硬化畦畔2が倒れる惧れのない場合には、セメント硬化畦畔2から圃場1の内側の土壌は削り取ってもよい。   The cement-cured ridge 2 need not be vertically long, and the width in the left-right direction may be larger than the vertical dimension of the cement-cured ridge 2 depending on the construction site. Also, if there is no risk of the cement-cured ridge 2 falling down due to whether the cement-cured ridge 2 has a sufficient width or a sufficient embedding depth, etc., The inner soil may be scraped off.

このセメント硬化畦畔2を施工する場合には、図2に示すように、土畦畔等の畦畔施工箇所3においてその畦畔施工箇所3の土壌を掘削し攪拌する掘削攪拌工程5と、その掘削土壌4にセメントペースト6(図3参照)を注入する注入工程7と、その注入後の掘削土壌4を更に攪拌してセメントペースト6と混練する混練工程8と、混練済みの掘削土壌4を所定形状に成形する成形工程9と、成形後に所定時間養生して硬化させる養生工程10とを経て行う。   When constructing this cement hardening shore 2, as shown in FIG. 2, excavation stirring process 5 for excavating and agitating the soil of the shore construction site 3 in the shore construction site 3 such as a soil shore, An injection step 7 for injecting cement paste 6 (see FIG. 3) into the excavated soil 4, a kneading step 8 for further agitation of the excavated soil 4 after the injection and kneading with the cement paste 6, and a kneaded excavated soil 4 This is performed through a molding step 9 for molding the material into a predetermined shape and a curing step 10 for curing for a predetermined time after molding.

セメントペースト6は硬化材ペーストの一例であって、図3に示すように、土壌硬化材であるセメント11を主成分とし、これに界面活性剤12と高分子エマルジョン樹脂13と水14とを所定の割合で配合してペースト化したものである。   The cement paste 6 is an example of a hardener paste. As shown in FIG. 3, the cement paste 6 which is a soil hardener is a main component, and a surfactant 12, a polymer emulsion resin 13 and water 14 are preliminarily added thereto. It is what was mix | blended in the ratio and paste-ized.

セメント11、界面活性剤12、高分子エマルジョン樹脂13の配合割合は、土畦畔等の畦畔施工箇所3の土壌の条件に応じて適宜決定するが、粘土質土壌の場合には、例えば土壌1m3 に対してセメント300Kg、ABS(界面活性剤12)の15%溶液5Kg、SBR(高分子エマルジョン樹脂13)の45%溶液14Kgを配合し、これに水200Kgを添加してペースト化したものである。 The blending ratio of the cement 11, the surfactant 12, and the polymer emulsion resin 13 is appropriately determined according to the conditions of the soil at the shore construction site 3 such as the shore of the soil, but in the case of clay soil, for example, soil 1 Kg of 3 kg of cement, 300 kg of cement, 5 kg of 15% solution of ABS (surfactant 12), 14 kg of 45% solution of SBR (polymer emulsion resin 13), and 200 kg of water added to make a paste It is.

因みに、粘土質土壌の場合において、例えば土壌1m3 に対するセメント300Kgは施工後のセメント硬化畦畔2に要求される強度を考慮したものであり、また水200Kgは混練後の掘削土壌4が所定の成形性を有し自然流動しない範囲内のものである。界面活性剤12の15%溶液5Kgは土壌に対するセメントペースト6の馴染みをよくするためであり、また高分子エマルジョン樹脂13の45%溶液14Kgは硬化後のセメント硬化畦畔2の防水性を確保するためである。 Incidentally, in the case of clay soil, for example, 300 kg of cement with respect to 1 m 3 of soil takes into account the strength required for the cement hardening ridge 2 after construction, and 200 kg of water is a predetermined amount of excavated soil 4 after kneading. It has moldability and does not flow naturally. The 15% solution 5Kg of the surfactant 12 is to improve the familiarity of the cement paste 6 to the soil, and the 45% solution 14Kg of the polymer emulsion resin 13 secures the waterproof property of the cement hardening ridge 2 after hardening. Because.

このセメント硬化畦畔2を施工する場合には、図4〜図7に示すようにトラクタ16に装着された畦畔施工装置17を使用する。トラクタ16は前後方向に配置された車体19と、この車体19の左右両側に装着された左右一対の後輪18と、車体19上に装着された昇降用の油圧装置20、運転席21等を有する。   When constructing this cement hardening shore 2, a shore construction device 17 attached to the tractor 16 is used as shown in FIGS. 4 to 7. The tractor 16 includes a vehicle body 19 arranged in the front-rear direction, a pair of left and right rear wheels 18 mounted on the left and right sides of the vehicle body 19, a lifting hydraulic device 20 mounted on the vehicle body 19, a driver's seat 21, and the like. Have.

畦畔施工装置17はトラクタ16の後方に三点リンク機構22を介して着脱、昇降自在に装着されている。三点リンク機構22は上部リンク23と、左右一対の下部リンク24とを有し、その下部リンク24がリフトロッド25を介して油圧装置20の油圧アーム26に昇降自在に連結されている。   The shore construction apparatus 17 is attached to the rear of the tractor 16 through a three-point link mechanism 22 so as to be detachable and liftable. The three-point link mechanism 22 has an upper link 23 and a pair of left and right lower links 24, and the lower link 24 is connected to a hydraulic arm 26 of the hydraulic apparatus 20 via a lift rod 25 so as to be movable up and down.

畦畔施工装置17は、三点リンク機構22に連結された支持枠28と、この支持枠28に装着され且つ畦畔施工箇所3の土壌を所定の掘削幅、掘削深さで縦長角形状に掘削して攪拌する掘削攪拌手段29と、支持枠28に装着され且つ掘削攪拌手段29の掘削深さを規制するゲージ体30と、支持枠28上に装着され且つセメントペースト6を貯留する貯留手段31と、掘削攪拌手段29により掘削し攪拌される掘削土壌4中に貯留手段31からのセメントペースト6を注入する注入手段32と、掘削攪拌手段29により攪拌されてセメントペースト6と混練された掘削土壌4を所定の畦畔形状に成形する成形手段33とを備えている。   The shore construction apparatus 17 has a support frame 28 connected to the three-point link mechanism 22 and a vertical horn shape with a predetermined digging width and digging depth of the soil at the shore construction site 3 attached to the support frame 28. Excavation agitation means 29 for excavating and agitating, a gauge body 30 attached to the support frame 28 and regulating the excavation depth of the excavation agitation means 29, and a storage means attached on the support frame 28 and storing the cement paste 6 31, injection means 32 for injecting the cement paste 6 from the storage means 31 into the excavated soil 4 that is excavated and stirred by the excavating and stirring means 29, and excavation that is stirred by the excavating and stirring means 29 and kneaded with the cement paste 6 And forming means 33 for forming the soil 4 into a predetermined ridge shape.

支持枠28は左右方向の略中央に配置された入力用伝動ケース34と、この入力用伝動ケース34の左右両側に装着された支持筒体35と、各支持筒体35の外端に前後方向に固定された下部ブラケット36と、一方の下部ブラケット36を介して支持筒体35の延長上に固定された掘削用伝動ケース37と、入力用伝動ケース34上に固定された上部ブラケット38と、掘削用伝動ケース37から後方に突出するブラケット39等により構成され、その上部ブラケット38の上端部に上部リンク23が、下部ブラケット36の前端部に下部リンク24が夫々連結されている。   The support frame 28 includes an input transmission case 34 disposed substantially at the center in the left-right direction, support cylinders 35 mounted on the left and right sides of the input transmission case 34, and front and rear directions at the outer ends of the support cylinders 35. A lower bracket 36 fixed to the upper side, an excavation transmission case 37 fixed on the extension of the support cylinder 35 via one lower bracket 36, an upper bracket 38 fixed on the input transmission case 34, The upper bracket 23 is connected to the upper end portion of the upper bracket 38 and the lower link 24 is connected to the front end portion of the lower bracket 36, respectively.

入力用伝動ケース34は前側に突出する入力軸40を有し、この入力軸40が自在軸継ぎ手41を介してトラクタ16のPTO軸42に連結されている。入力軸40は入力用伝動ケース34内のベベルギアー機構、一方の支持筒体35内の伝動軸43を介して掘削攪拌手段29へと動力を伝達するようになっている。   The input transmission case 34 has an input shaft 40 protruding forward, and the input shaft 40 is connected to the PTO shaft 42 of the tractor 16 via a universal shaft joint 41. The input shaft 40 transmits power to the excavating and stirring means 29 via a bevel gear mechanism in the input transmission case 34 and a transmission shaft 43 in one support cylinder 35.

掘削攪拌手段29は一方の後輪18の後方側で左右方向の一端に支持枠28に装着されている。この掘削攪拌手段29は一方の支持筒体35の先端に装着された掘削用伝動ケース37と、この掘削用伝動ケース37により縦軸心廻りに回転自在に支持され且つ掘削用伝動ケース37から下側に突出する回転軸45と、この回転軸45の外周に固定された掘削攪拌具46とを備え、回転軸45の回転時に掘削攪拌具46により畦畔施工箇所3の土壌を掘削して、その掘削土壌4をその位置で攪拌するようになっている。なお、掘削攪拌手段29は一方の後輪18の後方で、その後輪18よりも外側に配置してもよい。   The excavation stirring means 29 is attached to the support frame 28 at one end in the left-right direction on the rear side of one rear wheel 18. This excavation stirring means 29 is supported by the excavation transmission case 37 mounted on the tip of one support cylinder 35 and is rotatably supported around the longitudinal axis by the excavation transmission case 37. A rotary shaft 45 protruding to the side, and a digging stirrer 46 fixed to the outer periphery of the rotary shaft 45, and excavating the soil at the shore construction site 3 with the digging stirrer 46 when the rotary shaft 45 rotates, The excavated soil 4 is stirred at that position. The excavation stirring means 29 may be disposed behind the one rear wheel 18 and outside the rear wheel 18.

掘削用伝動ケース37内にはベベルギアー機構37a等が組み込まれており、伝動軸43の動力をそのベベルギアー機構37a等を介して回転軸45に伝達するようになっている。回転軸45は中空状であり、若干前側に傾斜して設けられている。掘削攪拌具46は回転軸45の外周に螺旋状に連続又は間欠的に設けられた掘削刃47と、この掘削刃47の上側に設けられた攪拌突起48とを有する。   A bevel gear mechanism 37a or the like is incorporated in the excavation transmission case 37, and the power of the transmission shaft 43 is transmitted to the rotary shaft 45 via the bevel gear mechanism 37a or the like. The rotating shaft 45 has a hollow shape and is slightly inclined to the front side. The excavation agitator 46 includes an excavation blade 47 spirally or continuously provided on the outer periphery of the rotary shaft 45, and an agitation protrusion 48 provided on the upper side of the excavation blade 47.

なお、掘削攪拌具46は回転軸45に対して螺旋状に連続又は間欠的に設けられた掘削刃47と、回転軸45に対して径方向の攪拌突起48とを組み合わせて構成してもよいし、螺旋状に連続又は間欠的に設けられた掘削刃47のみで構成してもよい。   The excavator agitation tool 46 may be configured by combining an excavation blade 47 spirally or continuously provided with respect to the rotation shaft 45 and an agitation protrusion 48 in the radial direction with respect to the rotation shaft 45. However, it may be configured by only the excavating blade 47 provided continuously or intermittently in a spiral shape.

ゲージ体30は畦畔施工箇所3の地表面を基準に掘削攪拌手段29の掘削深さを規制するためのもので、例えば掘削攪拌手段29の前側近傍で地表面上を転動するゲージ輪49と、このゲージ輪49を支持する支持杆50とを有し、その支持杆50が支持枠28に対して上下調整自在に固定されている。支持杆50は支持枠28の保持筒51により上下調整自在に保持されている。従って、ゲージ体30を上下調整することにより、掘削攪拌手段29の掘削深さを適宜調整可能である。   The gauge body 30 is for regulating the excavation depth of the excavation stirring means 29 with reference to the ground surface of the shore construction site 3, for example, a gauge wheel 49 that rolls on the ground surface in the vicinity of the front side of the excavation stirring means 29. And a support rod 50 that supports the gauge wheel 49, and the support rod 50 is fixed to the support frame 28 so as to be vertically adjustable. The support rod 50 is held by a holding cylinder 51 of the support frame 28 so as to be adjustable up and down. Therefore, the excavation depth of the excavation stirring means 29 can be appropriately adjusted by adjusting the gauge body 30 up and down.

貯留手段31はタンクにより構成されており、支持枠28の後部側で左右一対の下部ブラケット36間に設けられた支持台52上に装着されている。この貯留手段31は上側に開閉蓋31aを有し、また内部のセメントペースト6を取り出し易くなるように底壁が傾斜状に構成されている。なお、貯留手段31は適宜支持手段により支持枠28に装着してもよい。また貯留手段31はその内部でのセメントペースト6の沈澱を防止するために、内部に攪拌手段を備えることが望ましい。   The storage means 31 is constituted by a tank and is mounted on a support base 52 provided between the pair of left and right lower brackets 36 on the rear side of the support frame 28. The storage means 31 has an open / close lid 31a on the upper side, and the bottom wall is configured to be inclined so that the internal cement paste 6 can be easily taken out. The storage unit 31 may be attached to the support frame 28 by a support unit as appropriate. The storage means 31 is preferably provided with a stirring means in order to prevent sedimentation of the cement paste 6 therein.

注入手段32は図8に示すように中空状の回転軸45内に形成された注入通路54と、回転軸45の長手方向に所定間隔をおいて形成され注入口55と、掘削用伝動ケース37上に配置され且つ貯留手段31側の供給管路56と回転軸45とを接続する回転管継ぎ手57と、供給管路56の途中に介装された注入ポンプ58とを備えている。   As shown in FIG. 8, the injection means 32 includes an injection passage 54 formed in a hollow rotary shaft 45, an injection port 55 formed at a predetermined interval in the longitudinal direction of the rotary shaft 45, and an excavation transmission case 37. There is provided a rotary pipe joint 57 that is disposed above and connects the supply pipe 56 on the storage means 31 side and the rotary shaft 45, and an injection pump 58 interposed in the middle of the supply pipe 56.

そして、この注入手段32は、貯留手段31内のセメントペースト6を注入ポンプ58により回転管継ぎ手57を介して回転軸45内の注入通路54へと圧送し、その注入通路54を経て注入口55から土壌内にセメントペースト6を加圧状態で注入するようになっている。   The injection means 32 pumps the cement paste 6 in the storage means 31 to the injection passage 54 in the rotary shaft 45 via the rotary pipe joint 57 by the injection pump 58 and passes through the injection passage 54 to the injection port 55. The cement paste 6 is injected into the soil under pressure.

供給管路56は注入ポンプ58の作動時に貯留手段31内のセメントペースト6を取り出し得るように貯留手段31に接続されている。注入ポンプ58は例えば電動式であって、支持台52上に設けられている。なお、注入口55は掘削刃47の下側近傍に配置されている。注入口55は回転軸45の周方向に位置を変えて配置してもよい。注入ポンプ58はエンジン駆動式でもよいし、入力軸40に伝達される動力により駆動されるものでもよい。   The supply pipe 56 is connected to the storage means 31 so that the cement paste 6 in the storage means 31 can be taken out when the injection pump 58 is operated. The infusion pump 58 is, for example, an electric type, and is provided on the support base 52. The injection port 55 is disposed near the lower side of the excavation blade 47. The inlet 55 may be arranged at a different position in the circumferential direction of the rotating shaft 45. Infusion pump 58 may be engine-driven or driven by power transmitted to input shaft 40.

成形手段33は図4〜図7に示すように掘削攪拌手段29の左右両側に上下調整可能に配置された左右一対の側部成形板60と、この一対の側部成形板60間に配置された頂部成形板61とを備え、これら成形板60,61により地表面から上側の畦畔形状を凸状に成形するようになっている。左右一対の側部成形板60は上部カバー62の左右両側の屈曲部62aに上下調整手段60aを介して上下調整可能に固定されている。また上部カバー62は回転軸45が貫通して掘削用伝動ケース37の下側に装着されている。なお、上部カバー62及び側部成形板60は支持枠28に上下調整可能に取り付けてもよいし、ゲージ体30の上下調整に連動して上下動するように支持枠28に取り付けてもよい。   As shown in FIGS. 4 to 7, the forming means 33 is arranged between a pair of left and right side forming plates 60 arranged on the left and right sides of the excavating and stirring means 29 so as to be vertically adjustable, and between the pair of side forming plates 60. The top ridge plate 61 is provided, and the ridge shape on the upper side from the ground surface is formed into a convex shape by these formed plates 60 and 61. The pair of left and right side molding plates 60 are fixed to the bent portions 62a on both the left and right sides of the upper cover 62 so as to be adjustable in the vertical direction via the vertical adjustment means 60a. The upper cover 62 is attached to the lower side of the excavation transmission case 37 through the rotation shaft 45. The upper cover 62 and the side molding plate 60 may be attached to the support frame 28 so as to be vertically adjustable, or may be attached to the support frame 28 so as to move up and down in conjunction with the vertical adjustment of the gauge body 30.

頂部成形板61は前端側の横方向の枢支軸63により上下動自在に枢支され、後部側が付勢手段65により下方に付勢されている。枢支軸63は上部カバー62の後端部に設けられており、頂部成形板61は枢支軸63を介して上部カバー62に連結されている。なお、枢支軸63は上部カバー62の後端部近傍で左右一対の側部成形板60間に支架してもよい。   The top molding plate 61 is pivotally supported by a lateral pivot shaft 63 on the front end side so as to be movable up and down, and the rear side is biased downward by a biasing means 65. The pivot shaft 63 is provided at the rear end of the upper cover 62, and the top forming plate 61 is connected to the upper cover 62 via the pivot shaft 63. The pivot shaft 63 may be supported between the pair of left and right side forming plates 60 in the vicinity of the rear end portion of the upper cover 62.

付勢手段65は下端が頂部成形板61上に枢支され且つ保持体66により上下摺動自在に保持された付勢ロッド67と、保持体66の下側で付勢ロッド67に套嵌された付勢バネ68とを有し、その付勢バネ68により所定の成形圧で頂部成形板61を下方に付勢するようになっている。保持体66はブラケット36,39の後端に横軸心廻りに回動自在に支持されている。なお、付勢バネ68はそのバネ圧を調整可能である。   The urging means 65 has a lower end pivotally supported on the top forming plate 61 and is held by a holding body 66 so as to be slidable up and down, and is slid onto the urging rod 67 below the holding body 66. The top forming plate 61 is urged downward by a predetermined molding pressure by the urging spring 68. The holding body 66 is supported at the rear ends of the brackets 36 and 39 so as to be rotatable around the horizontal axis. The biasing spring 68 can adjust its spring pressure.

セメント硬化畦畔2の施工に際しては、トラクタ16に装着された畦畔施工装置17を使用して次のような方法により行う。先ずゲージ輪49により掘削攪拌手段29の掘削深さを調整し、またその掘削深さに応じて成形手段33の側部成形板60の高さを調整する。そして、回転軸45を回転させた状態で掘削攪拌手段29が畦畔施工箇所3に対応するように畦畔施工装置17全体を下降させて、畦畔施工箇所3に沿って走行しながら作業を行う。   The construction of the cement hardening shore 2 is performed by the following method using the shore construction device 17 attached to the tractor 16. First, the excavation depth of the excavation stirring means 29 is adjusted by the gauge wheel 49, and the height of the side forming plate 60 of the forming means 33 is adjusted according to the excavation depth. And while the rotary shaft 45 is rotated, the excavation and stirring means 29 is lowered so that the excavation and stirring means 29 corresponds to the dredging site 3 and the work is performed while traveling along the dredging site 3. Do.

このとき図4、図5に示すようにゲージ輪49が畦畔施工箇所3の地表面上を転動するため、油圧装置20をフローティング状態にしておけば、掘削攪拌手段29を含む畦畔施工装置17が畦畔施工箇所3の地表面の凹凸に追従しながら前進し、その掘削攪拌手段29、注入手段32、成形手段33により、掘削攪拌工程5、注入工程7、混練工程8、成形工程9の各工程が順次なされる。   At this time, as shown in FIGS. 4 and 5, the gauge wheel 49 rolls on the ground surface of the shore construction site 3, so if the hydraulic device 20 is in a floating state, the shore construction including the excavation stirring means 29 is performed. The apparatus 17 advances while following the unevenness of the ground surface of the shore construction site 3, and the excavation stirring means 29, the injection means 32, and the molding means 33 perform excavation stirring process 5, injection process 7, kneading process 8, molding process. Each process of 9 is performed sequentially.

先ず掘削攪拌手段29の回転軸45が所定方向に回転すると、図6、図7に示すように、その掘削刃47により畦畔施工箇所3の土壌を所定の掘削幅、掘削深さで掘削して、その掘削土壌4を畦畔施工箇所3において攪拌する(掘削攪拌工程5)。   First, when the rotary shaft 45 of the excavation stirring means 29 rotates in a predetermined direction, the excavation blade 47 excavates the soil at the shore construction site 3 with a predetermined excavation width and excavation depth, as shown in FIGS. Then, the excavated soil 4 is stirred at the shore construction site 3 (excavation stirring step 5).

一方、注入手段32の注入ポンプ58を作動させておけば、注入ポンプ58が貯留手段31内のセメントペースト6を定量ずつ取り出して、そのセメントペースト6を回転管継ぎ手57を介して回転状態の回転軸45の注入通路54へと送り、注入通路54を経て各注入口55から、掘削刃47により攪拌状態にある掘削土壌4中にセメントペースト6を注入する(注入工程7)。そして、掘削攪拌手段29により、その掘削土壌4とセメントペースト6とを満遍なく混練する(混練工程8)。   On the other hand, if the injection pump 58 of the injection means 32 is operated, the injection pump 58 takes out the cement paste 6 in the storage means 31 by a fixed amount and rotates the cement paste 6 in a rotating state via the rotary pipe joint 57. The cement paste 6 is poured into the excavated soil 4 in the agitated state by the excavating blades 47 from the respective injection ports 55 through the injection passages 54 through the injection passages 54 (injection step 7). Then, the excavated soil 4 and the cement paste 6 are uniformly kneaded by the excavating and stirring means 29 (kneading step 8).

このように掘削攪拌手段29で畦畔施工箇所3の土壌を掘削しながら、回転軸45の注入口55からその掘削土壌4中にセメントペースト6を注入すれば、この掘削攪拌手段29により、畦畔施工箇所3の土壌の掘削に続いて掘削土壌4とセメントペースト6との混練を略同時に連続的に行うことになり、掘削土壌4とセメントペースト6とを短時間でムラなく混練することができ、セメントペースト6を掘削土壌4に対して略均一に混ぜ合わせることができる。   If the cement paste 6 is injected into the excavated soil 4 from the inlet 55 of the rotary shaft 45 while excavating the soil at the shore construction site 3 by the excavating and agitating means 29 in this way, The excavated soil 4 and the cement paste 6 are continuously kneaded substantially simultaneously following the excavation of the soil at the shore construction site 3, and the excavated soil 4 and the cement paste 6 can be kneaded in a short time without unevenness. The cement paste 6 can be mixed with the excavated soil 4 almost uniformly.

特に掘削攪拌手段29により畦畔施工箇所3の土壌を掘削しながら所定の速度で前進して行けば、畦畔施工箇所3の土壌は掘削攪拌手段29の掘削刃47により掘削された後、掘削刃47の回転により持ち上げられながら掘削刃47を通過して直ちに埋め戻される。このため掘削刃47の回転に伴って掘削土壌4を持ち上げては埋め戻す動作が繰り返されるので、掘削刃47の回転による掘削土壌4の攪拌作用が大となり、土壌の掘削と同時にその掘削土壌4とセメントペースト6とを略満遍なく混練することができる。   In particular, if the excavation and stirring means 29 moves forward at a predetermined speed while excavating the soil at the shore construction site 3, the soil at the shore construction site 3 is excavated by the excavation blade 47 of the excavation and stirring means 29 and then excavated. While being lifted by the rotation of the blade 47, it passes through the excavating blade 47 and is immediately refilled. For this reason, the operation of lifting and backfilling the excavated soil 4 with the rotation of the excavating blade 47 is repeated, so that the agitating action of the excavated soil 4 by the rotation of the excavating blade 47 becomes large, and the excavated soil 4 is simultaneously excavated with the soil. And cement paste 6 can be kneaded almost uniformly.

また掘削攪拌手段29は掘削刃47の上側に攪拌突起48を備えているため、この攪拌突起48の回転により掘削土壌4とセメントペースト6とをより一層均一に混練することができる。即ち、掘削土壌4はセメントペースト6と混練されるものの、攪拌により膨隆化して体積を増しながら地表面側へと浮上する。そして、その浮上する掘削土壌4を攪拌突起48により攪拌するので、表層側での土壌とセメントペースト6との混練をより一層均一にすることができる。   Further, since the excavation stirring means 29 includes the agitation protrusion 48 on the upper side of the excavation blade 47, the excavation soil 4 and the cement paste 6 can be more uniformly kneaded by the rotation of the agitation protrusion 48. That is, although the excavated soil 4 is kneaded with the cement paste 6, the excavated soil 4 bulges by stirring and rises to the ground surface side while increasing the volume. And since the floating excavated soil 4 is agitated by the agitation protrusion 48, the kneading of the soil and the cement paste 6 on the surface layer side can be made more uniform.

膨隆化して地表面側に浮上した土壌は、成形手段33の左右一対の側部成形板60により掘削攪拌手段29の掘削幅と略同じ幅に規制されながら、頂部成形板61により所定の成形圧で加圧されるので、これらの側部成形板60、頂部成形板61により地表面から上側が所定の畦畔形状(例えば凸状)に成形される。その後に、所定期間養生してセメント11を硬化させれば、畦畔施工箇所3の掘削土壌4をセメント11により固めたセメント硬化畦畔2となる。   The soil that has been swollen and floated to the ground surface side is regulated to a predetermined molding pressure by the top molding plate 61 while being regulated to a width substantially the same as the excavation width of the excavation stirring unit 29 by the pair of left and right side molding plates 60 of the molding unit 33. Therefore, the upper side from the ground surface is formed into a predetermined ridge shape (for example, a convex shape) by the side molding plate 60 and the top molding plate 61. Thereafter, when the cement 11 is cured by curing for a predetermined period of time, the excavated soil 4 of the shore construction site 3 becomes the cement-cured shore 2 that is solidified by the cement 11.

従って、セメント11を主成分とするセメントペースト6を使用して、その畦畔施工箇所3の土壌を掘削し、その掘削土壌4を畦畔施工箇所3において攪拌しながらセメントペースト6を注入して、掘削土壌4とセメントペースト6とを混練することにより、比較的簡単な方法でセメント硬化畦畔2を容易に施工することができる。   Therefore, the cement paste 6 mainly composed of cement 11 is used to excavate the soil at the shore construction site 3, and the cement paste 6 is injected while stirring the excavated soil 4 at the shore construction site 3. By kneading the excavated soil 4 and the cement paste 6, the cement-cured shore 2 can be easily constructed by a relatively simple method.

またセメントペースト6を掘削攪拌手段29により土壌を掘削し攪拌しながら、その掘削土壌4にセメントペースト6を注入して混練するので、掘削土壌4に対してセメントペースト6を略均一に混練することが可能であり、施工後のセメント硬化畦畔2の部分的な強度ムラの発生を極力防止することができる。   Further, since the cement paste 6 is poured into the excavated soil 4 and kneaded while excavating and stirring the soil by the excavating and stirring means 29, the cement paste 6 is kneaded substantially uniformly into the excavated soil 4. It is possible to prevent as much as possible the occurrence of uneven strength in the cement hardening ridge 2 after construction.

更にセメントペースト6に界面活性剤12と高分子エマルジョン樹脂13とを配合しているので、土壌に対するセメントペースト6の馴染みがよく略均一に混練できる上に、硬化後のセメント硬化畦畔2の防水性を確保することができる。   Further, since the surfactant 12 and the polymer emulsion resin 13 are blended in the cement paste 6, the cement paste 6 can be well kneaded with the soil and can be kneaded substantially uniformly, and the cement cured ridge 2 after hardening can be waterproofed. Sex can be secured.

畦畔施工装置17は、圃場1の畦畔施工箇所3の土壌を掘削攪拌する掘削攪拌手段29と、この掘削攪拌手段29により掘削し攪拌される掘削土壌4中にセメント11を含むセメントペースト6を注入する注入手段32と、掘削攪拌手段29により攪拌された掘削土壌4を所定形状に成形する成形手段33とを備えているので、この畦畔施工装置17をトラクタ16に装着すれば、走行しながら連続的にセメント硬化畦畔2の施工作業を行うことができる。   The shore construction apparatus 17 includes a digging agitation means 29 for excavating and agitating the soil at the shore construction site 3 in the field 1 and a cement paste 6 containing cement 11 in the excavated soil 4 excavated and agitated by the digging agitation means 29. Injecting means 32 for injecting soil and forming means 33 for forming excavated soil 4 agitated by excavating and agitating means 29 into a predetermined shape are provided. The construction work of the cement hardening ridge 2 can be performed continuously.

掘削攪拌手段29は縦軸心廻りに回転する中空状の回転軸45の外周に掘削刃47を備え、注入手段32は回転軸45に形成された注入口55を有し、回転軸45内の注入通路54を経て注入口55からセメントペースト6を注入するため、掘削攪拌手段29と注入手段32との構造を簡素化できると共に、セメントペースト6を容易且つ確実に注入することができる。   The excavating and agitating means 29 is provided with an excavating blade 47 on the outer periphery of a hollow rotating shaft 45 that rotates about a longitudinal axis, and the injection means 32 has an injection port 55 formed in the rotating shaft 45. Since the cement paste 6 is injected from the injection port 55 through the injection passage 54, the structure of the excavation stirring means 29 and the injection means 32 can be simplified, and the cement paste 6 can be easily and reliably injected.

図9〜図11は本発明の第2の実施形態を例示する。この実施形態の畦畔施工装置17では、掘削攪拌手段29の回転軸45が略垂直に配置され、また掘削深さ規制用のゲージ体30が成形手段33側に設けられている。回転軸45は掘削用伝動ケース37から下側に略垂直に下方へと突出している。また回転軸45の外周には掘削刃47が螺旋状に設けられているが、その掘削刃47は下側に対して上側の直径が大になっている。従って、掘削攪拌手段29は、畦畔施工箇所3の土壌を逆台形状に掘削し攪拌するようになっている。   9 to 11 illustrate a second embodiment of the present invention. In the shore construction apparatus 17 of this embodiment, the rotary shaft 45 of the excavation stirring means 29 is disposed substantially vertically, and the gauge body 30 for regulating the excavation depth is provided on the molding means 33 side. The rotating shaft 45 protrudes downward from the excavation transmission case 37 substantially vertically. The excavating blade 47 is spirally provided on the outer periphery of the rotary shaft 45. The excavating blade 47 has a larger diameter on the upper side than the lower side. Therefore, the excavation stirring means 29 excavates and stirs the soil at the shore construction site 3 in an inverted trapezoidal shape.

ゲージ体30は畦畔施工箇所3の地表面上を摺動する左右一対のゲージ橇70により構成され、その各ゲージ橇70は成形手段33の各側部成形板60の下端外側に前後方向に配置されている。各側部成形板60は上部カバー62に対して上下調整可能である。他の構成は第1の実施形態と同様である。   The gauge body 30 is composed of a pair of left and right gauge rods 70 that slide on the ground surface of the shore construction site 3, and each gauge rod 70 extends in the front-rear direction outside the lower end of each side forming plate 60 of the forming means 33. Has been placed. Each side forming plate 60 can be adjusted up and down with respect to the upper cover 62. Other configurations are the same as those of the first embodiment.

このような構成の畦畔施工装置17を使用してもよい。また畦畔施工箇所3の土壌を逆台形状に掘削する掘削攪拌手段29を使用すれば、畦畔施工箇所3の条件によっては掘削攪拌領域の断面積を小さくすることもできる。更に側部成形板60にゲージ橇70を設けることにより、ゲージ体30による掘削深さの調整と、その掘削深さに合わせた側部形成板60の高さ調整とを同時に行うことができる。   You may use the shore construction apparatus 17 of such a structure. Moreover, if the excavation stirring means 29 which excavates the soil of the shore construction site 3 in an inverted trapezoidal shape is used, the cross-sectional area of the excavation agitation region can be reduced depending on the conditions of the shore construction site 3. Furthermore, by providing the side forming plate 60 with the gauge rod 70, the adjustment of the excavation depth by the gauge body 30 and the adjustment of the height of the side forming plate 60 according to the excavation depth can be performed simultaneously.

図12は本発明の第3の実施形態を例示する。この実施形態の成形手段33は横軸75廻りに回転する回転式であって、畦畔施工箇所3の左右両側で地表面上を転動する左右一対の転動輪71と、この各転動輪71の内側に略同心状に形成された円錐状の側部成形部72と、この側部成形部72間に略同心状に設けられた小径の頂部成形部73と、各転動輪71の側部成形部72側に略同心状に設けられた規制円板74とを一体に有し、横軸75により回転自在に支持されている。横軸75は左右一対の支持腕76により支持され、支持枠28に上下調整可能に取り付けられている。転動輪71はゲージ体30を兼用する。他の構成は第1の実施形態と同様である。   FIG. 12 illustrates a third embodiment of the present invention. The forming means 33 of this embodiment is a rotary type that rotates around a horizontal axis 75, and a pair of left and right rolling wheels 71 that roll on the ground surface on both the left and right sides of the shore construction site 3, and each of these rolling wheels 71. A conical side molding part 72 formed substantially concentrically inside, a small-diameter top molding part 73 provided substantially concentrically between the side molding parts 72, and a side part of each rolling wheel 71. A regulating disc 74 provided substantially concentrically on the molding portion 72 side is integrally provided and is rotatably supported by a horizontal shaft 75. The horizontal shaft 75 is supported by a pair of left and right support arms 76 and is attached to the support frame 28 so as to be vertically adjustable. The rolling wheel 71 also serves as the gauge body 30. Other configurations are the same as those of the first embodiment.

この場合には転動輪71が地表面上を転動しながら、その側部成形部72により地表面上の掘削土壌4の左右両側を成形でき、また頂部成形部73によりその頂部を成形できるので、成形手段33により成形抵抗を小さくすることができる。また転動輪71によりゲージ体30を兼用すれば、調整が容易であると同時に構造的にも簡単化することができる。しかも、円板74が地表面に食い込んだ状態で転動輪71が転動するので、直進性が向上する他、セメントペースト6を混練後の土壌の側方への移動を極力防止することができる。   In this case, while the rolling wheels 71 roll on the ground surface, the left and right sides of the excavated soil 4 on the ground surface can be formed by the side forming portion 72, and the top portion can be formed by the top forming portion 73. The molding resistance can be reduced by the molding means 33. Moreover, if the gauge body 30 is also used by the rolling wheel 71, the adjustment is easy and the structure can be simplified. And since the rolling wheel 71 rolls in the state in which the disc 74 digs into the ground surface, in addition to improving straightness, the lateral movement of the soil after kneading the cement paste 6 can be prevented as much as possible. .

図13、図14は本発明の第4の実施形態を例示する。この実施形態の成形手段33は、付勢手段65の頂部成形板61に対する付勢力を十分大にして、頂面が地表面と略同一高さか、又は突出高さが比較的低い畦畔を成形するようにしている。他の構成は各実施形態と同様である。   13 and 14 illustrate a fourth embodiment of the present invention. The forming means 33 of this embodiment makes the urging force of the urging means 65 with respect to the top forming plate 61 sufficiently large, and forms a ridge whose top surface is substantially the same height as the ground surface or whose protrusion height is relatively low. Like to do. Other configurations are the same as those of each embodiment.

この場合には、セメント硬化畦畔2の施工に際しては、成形手段33の頂部成形板61が膨隆状の掘削土壌4を十分に押圧して、頂面が地表面と略同一高さか、又は突出高さが比較的低いセメント硬化畦畔2に成形する。従って、例えば図13に示すように圃場1の近傍に農道77があり、その農道77に隣接してセメント硬化畦畔2を施工するような場合にも、農道77の地表面と略同一高さか、又は農道77の地表面からの突出高の低い畦畔を設けることができるので、セメント硬化畦畔2の施工後も、それが邪魔になるようなこともない。なお、セメント硬化畦畔2は図14に示すように農道77の両側に設けてもよい。この場合には農道77の路肩補強用としてセメント硬化畦畔2を利用することができる。   In this case, when constructing the cement hardening ridge 2, the top forming plate 61 of the forming means 33 sufficiently presses the bulging excavated soil 4 so that the top surface is substantially the same height as the ground surface or protrudes. Molded to a cement hardening ridge 2 with a relatively low height. Therefore, for example, as shown in FIG. 13, even when there is a farm road 77 in the vicinity of the farm field 1 and the cement-cured ridge 2 is constructed adjacent to the farm road 77, it is almost the same height as the ground surface of the farm road 77. Or, since it is possible to provide a ridge with a low protrusion height from the ground surface of the agricultural road 77, it does not become an obstacle even after the construction of the cement-cured ridge 2. The hardened cement ridge 2 may be provided on both sides of the farm road 77 as shown in FIG. In this case, the cement-cured ridge 2 can be used for reinforcing the shoulder of the agricultural road 77.

図15は本発明の第5の実施形態を例示する。この実施形態の畦畔施工装置17は、トラクタ16の後部に三点リンク機構22を介して装着された支持枠28に、揺動機構78を介して掘削攪拌手段29が揺動自在に連結されている。揺動機構78は基部側が入力用伝動ケース34に縦軸79廻りに、遊端側が掘削用伝動ケース37に回転軸45の軸心廻りに夫々角度変更可能に連結されている。揺動機構78は巻き掛け式の動力伝達機構を有し、入力用伝動ケース34内のベベルギアー機構、縦軸79、動力伝達機構を介してトラクタ16からの動力を掘削攪拌手段29の回転軸45へと伝達するようになっている。他の構成は各実施形態と同様である。   FIG. 15 illustrates a fifth embodiment of the present invention. In the shore construction apparatus 17 of this embodiment, the excavating and stirring means 29 is swingably connected to a support frame 28 mounted on the rear portion of the tractor 16 via a three-point link mechanism 22 via a swing mechanism 78. ing. The oscillating mechanism 78 is connected to the input transmission case 34 around the vertical axis 79 and the free end side is connected to the excavation transmission case 37 around the axis of the rotary shaft 45 so that the angle can be changed. The swing mechanism 78 has a wrapping type power transmission mechanism. The bevel gear mechanism in the input transmission case 34, the vertical axis 79, and the power from the tractor 16 through the power transmission mechanism are rotated by the rotating shaft 45 of the excavating and stirring means 29. To communicate. Other configurations are the same as those of each embodiment.

このような構成の畦畔施工装置17では、揺動機構78の角度を適宜調整することにより、掘削攪拌手段29の位置を左右方向に調整できるので、トラクタ16を安全な位置に走行させながらも圃場1に対して最適位置にセメント硬化畦畔2を施工することができる。   In the shoreline construction apparatus 17 having such a configuration, the position of the excavation stirring means 29 can be adjusted in the left-right direction by appropriately adjusting the angle of the swing mechanism 78, so that the tractor 16 can be moved to a safe position. The cement hardening ridge 2 can be constructed at an optimum position with respect to the field 1.

図16は本発明の第6の実施形態を例示する。圃場1の周囲にセメント硬化畦畔2を設ける場合、図15に示すように2条以上の複数条のセメント硬化畦畔2を並べて配置してもよい。例えば、掘削攪拌手段29の掘削幅が小さい場合には、施工されるセメント硬化畦畔2の幅も狭くなるため、複数条のセメント硬化畦畔2を設けてもよい。   FIG. 16 illustrates a sixth embodiment of the present invention. When providing the cement hardening ridge 2 around the field 1, as shown in FIG. 15, you may arrange | position the cement hardening ridge 2 of two or more strips side by side. For example, when the excavation width of the excavating and stirring means 29 is small, the width of the cement-cured ridge 2 to be constructed is also narrowed, so a plurality of cement-cured ridge 2 may be provided.

以上、本発明の各実施形態について詳述したが、本発明は各実施形態に限定されるものではない。例えば、各実施形態ではトラクタ16の後方に三点リンク機構22を介して装着するトラクタ装着型の畦畔施工装置17を例示しているが、トラクタ16以外の走行車体19に装着するものでもよいし、専用の乗用型又は歩行型の走行車体19に装着したものでもよい。   As mentioned above, although each embodiment of this invention was explained in full detail, this invention is not limited to each embodiment. For example, in each embodiment, the tractor mounting type shore construction device 17 mounted on the rear side of the tractor 16 via the three-point link mechanism 22 is illustrated, but may be mounted on the traveling vehicle body 19 other than the tractor 16. Alternatively, it may be mounted on a dedicated riding type or walking type traveling vehicle body 19.

掘削攪拌手段29は回転軸45の外周に螺旋状の掘削刃47を設けたオーガー式の他、回転軸45の外周に螺旋状以外の掘削刃47を設けたものでもよい。また掘削攪拌手段29はオーガー式のものが小型で便利であるが、掘削チェーンに掘削攪拌爪を装着したトレンチャー式のもの、横軸心廻りに回転する横軸の外周に掘削攪拌爪を設けたもの等を採用してもよい。   The excavation stirring means 29 may be an auger type in which a spiral excavation blade 47 is provided on the outer periphery of the rotary shaft 45 or an excavation blade 47 other than the spiral shape on the outer periphery of the rotary shaft 45. The auger type auger stirring means 29 is small and convenient, but a trencher type with a drilling stirring claw attached to a drilling chain, and a drilling stirring claw provided on the outer periphery of the horizontal axis rotating around the horizontal axis. A thing etc. may be adopted.

更に実施形態では、畦畔施工箇所3の土壌の掘削から、掘削土壌4とセメントペースト6との混練までを掘削攪拌手段29により行うようにしているが、先ず掘削手段で畦畔施工箇所3の土壌を掘削し、次いで注入手段32により掘削土壌4にセメントペースト6を注入した後、攪拌手段により掘削土壌4とセメントペースト6とを混練するように、掘削手段と混練手段とを前後に別々に設けてもよい。   Further, in the embodiment, from the excavation of the soil at the shore construction site 3 to the kneading of the excavated soil 4 and the cement paste 6 is performed by the excavation stirring means 29, After excavating the soil and then injecting the cement paste 6 into the excavated soil 4 by the injecting means 32, the excavating means and the kneading means are separately separated in the front and back so that the excavated soil 4 and the cement paste 6 are kneaded by the agitating means. It may be provided.

注入手段32は中空状の回転軸45の内部を注入通路54として、回転軸45に形成した注入口55からセメントペースト6を注入するようにしているが、回転軸45の外側に鋼管等の注入管を上下方向に固定し、その注入管に注入口55を設けてもよい。注入手段32は要するに掘削土壌4中にセメントペースト6を注入できるものであればよい。   The injection means 32 uses the inside of the hollow rotary shaft 45 as an injection passage 54 and injects the cement paste 6 from an injection port 55 formed in the rotary shaft 45. The pipe may be fixed in the vertical direction, and the injection port 55 may be provided in the injection pipe. In short, the injection means 32 may be anything that can inject the cement paste 6 into the excavated soil 4.

実施形態では土壌硬化材としてセメント11を例示し、そのセメント11に界面活性剤12、高分子エマルジョン樹脂13を添加したセメントペースト6を使用しているが、セメント11以外の各種の土壌硬化材を使用することが可能である。また界面活性剤12、高分子エマルジョン樹脂13は例示の物質以外のものでもよい。更に夫々の配合割合は適宜変更可能である。またセメント11に水14を加えてペースト化したものでもよい。   In the embodiment, the cement 11 is exemplified as the soil hardening material, and the cement paste 6 in which the surfactant 12 and the polymer emulsion resin 13 are added to the cement 11 is used, but various soil hardening materials other than the cement 11 are used. It is possible to use. Further, the surfactant 12 and the polymer emulsion resin 13 may be other than the exemplified substances. Furthermore, each compounding ratio can be changed as appropriate. Further, the cement 11 may be made into a paste by adding water 14.

1 圃場
2 セメント硬化畦畔
3 畦畔施工箇所
4 掘削土壌
6 硬化材ペースト
11 セメント(土壌硬化材)
12 界面活性剤
13 高分子エマルジョン樹脂
29 掘削攪拌手段
32 注入手段
33 成形手段
45 回転軸
46 掘削攪拌具
55 注入口
54 注入通路
DESCRIPTION OF SYMBOLS 1 Farm 2 Cement hardening shore 3 Vineyard construction place 4 Excavated soil 6 Hardening material paste 11 Cement (soil hardening material)
DESCRIPTION OF SYMBOLS 12 Surfactant 13 Polymer emulsion resin 29 Excavation stirring means 32 Injection means 33 Molding means 45 Rotating shaft 46 Excavation stirring tool 55 Inlet 54 Injection passage

Claims (6)

圃場(1)の畦畔施工箇所(3)において該畦畔施工箇所(3)の土壌を掘削した掘削土壌(4)中に土壌硬化材(11)を含む硬化材ペースト(6)を注入し、前記掘削土壌(4)と前記硬化材ペースト(6)とを混練して前記土壌硬化材(11)により前記掘削土壌(4)を硬化させたことを特徴とする圃場用畦畔。 A hardener paste (6) containing a soil hardener (11) is injected into the excavated soil (4) excavated from the soil at the shoreline construction site (3) at the shoreline construction site (3) of the farm field (1). A farm ridge characterized by kneading the excavated soil (4) and the hardener paste (6) to harden the excavated soil (4) with the soil hardener (11). 圃場(1)の畦畔施工箇所(3)の土壌を掘削してその掘削土壌(4)を前記畦畔施工箇所(3)で攪拌しながら、該掘削土壌(4)中に土壌硬化材(11)を含む硬化材ペースト(6)を注入して、前記掘削土壌(4)と前記硬化材ペースト(6)とを混練した後、前記土壌硬化材(11)により前記掘削土壌(4)を硬化させて畦畔とすることを特徴とする畦畔施工方法。 While excavating the soil at the shore construction site (3) of the farm field (1) and stirring the excavated soil (4) at the shore construction site (3), a soil hardening material ( 11) and the kneaded soil (4) and the hardener paste (6) are kneaded, and then the excavated soil (4) is removed by the soil hardener (11). A shore construction method characterized by curing to a shore. 前記硬化材ペースト(6)に界面活性剤(12)、高分子エマルジョン樹脂(13)を配合することを特徴とする請求項2に記載の畦畔施工方法。 The shore construction method according to claim 2, wherein a surfactant (12) and a polymer emulsion resin (13) are blended in the hardener paste (6). 前記土壌硬化材がセメント(11)であることを特徴とする請求項2又は3に記載の畦畔施工方法。 The shore construction method according to claim 2 or 3, wherein the soil hardening material is cement (11). 圃場(1)の畦畔施工箇所(3)の土壌を掘削攪拌する掘削攪拌手段(29)と、該掘削攪拌手段(29)により攪拌される掘削土壌(4)中に土壌硬化材(11)を含む硬化材ペースト(6)を注入する注入手段(32)と、前記掘削攪拌手段(29)により攪拌されて前記硬化材ペースト(6)と混練された前記掘削土壌(4)を所定形状に成形する成形手段(33)とを備えたことを特徴とする畦畔施工装置。 Excavation agitation means (29) for excavating and agitating soil at the shore construction site (3) of the farm field (1), and a soil hardening material (11) in the excavated soil (4) agitated by the excavation agitation means (29) An injection means (32) for injecting a hardener paste (6) containing, and the excavated soil (4) agitated by the excavation stirring means (29) and kneaded with the hardener paste (6) into a predetermined shape A shore construction apparatus comprising molding means (33) for molding. 前記掘削攪拌手段(29)は縦軸心廻りに回転する中空状の回転軸(45)の外周に掘削攪拌具(46)を備え、前記注入手段(32)は前記回転軸(45)に形成された注入口(55)を有し、前記回転軸(45)内の注入通路(54)から前記注入口(55)を経て前記硬化材ペースト(6)を注入することを特徴とする請求項5に記載の畦畔施工装置。 The excavation agitation means (29) includes an excavation agitation tool (46) on the outer periphery of a hollow rotary shaft (45) that rotates about a longitudinal axis, and the injection means (32) is formed on the rotation axis (45). The hardener paste (6) is injected from the injection passage (54) in the rotating shaft (45) through the injection port (55). The shore construction apparatus according to 5.
JP2009173949A 2009-07-27 2009-07-27 Levee for field, levee construction method, and levee construction device Pending JP2011026852A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2019126273A (en) * 2018-01-23 2019-08-01 小橋工業株式会社 Work machine
JP2021014770A (en) * 2019-07-15 2021-02-12 朱暁鳳 Work vehicle for piercing and digging up soil used in soil improvement process
CN114809155A (en) * 2022-04-08 2022-07-29 湘西土家族苗族自治州畜牧水产事务中心 Mountain area fish culture paddy field engineering is dug and is established device

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2019126273A (en) * 2018-01-23 2019-08-01 小橋工業株式会社 Work machine
JP7072215B2 (en) 2018-01-23 2022-05-20 小橋工業株式会社 Working machine
JP2021014770A (en) * 2019-07-15 2021-02-12 朱暁鳳 Work vehicle for piercing and digging up soil used in soil improvement process
CN114809155A (en) * 2022-04-08 2022-07-29 湘西土家族苗族自治州畜牧水产事务中心 Mountain area fish culture paddy field engineering is dug and is established device
CN114809155B (en) * 2022-04-08 2024-05-07 湘西土家族苗族自治州畜牧水产事务中心 Device is established in mountain area fish culture paddy field engineering excavation

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