JP6634474B2 - Young tree protection - Google Patents
Young tree protection Download PDFInfo
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- JP6634474B2 JP6634474B2 JP2018110733A JP2018110733A JP6634474B2 JP 6634474 B2 JP6634474 B2 JP 6634474B2 JP 2018110733 A JP2018110733 A JP 2018110733A JP 2018110733 A JP2018110733 A JP 2018110733A JP 6634474 B2 JP6634474 B2 JP 6634474B2
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- 238000003780 insertion Methods 0.000 claims description 58
- 230000037431 insertion Effects 0.000 claims description 58
- 230000001012 protector Effects 0.000 claims description 42
- 239000000835 fiber Substances 0.000 claims description 9
- 239000011347 resin Substances 0.000 claims description 8
- 229920005989 resin Polymers 0.000 claims description 8
- 238000009941 weaving Methods 0.000 claims 1
- 230000001681 protective effect Effects 0.000 description 15
- 239000000463 material Substances 0.000 description 9
- 239000004744 fabric Substances 0.000 description 8
- 229920002994 synthetic fiber Polymers 0.000 description 8
- 239000012209 synthetic fiber Substances 0.000 description 8
- 239000002759 woven fabric Substances 0.000 description 5
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- 229920002430 Fibre-reinforced plastic Polymers 0.000 description 4
- 239000011151 fibre-reinforced plastic Substances 0.000 description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 241000607479 Yersinia pestis Species 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 229920000747 poly(lactic acid) Polymers 0.000 description 3
- 239000004626 polylactic acid Substances 0.000 description 3
- 239000002028 Biomass Substances 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 239000006227 byproduct Substances 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 244000005700 microbiome Species 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 239000004753 textile Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 241001465754 Metazoa Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 210000005069 ears Anatomy 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Landscapes
- Protection Of Plants (AREA)
- Catching Or Destruction (AREA)
Description
本発明は、地面に植生された幼齢木を害獣などの食害に遭わないように保護する幼齢木保護具の技術に関する。 The present invention relates to a technique for protecting young trees vegetated on the ground so that they do not suffer from damage by pests or the like.
特許文献１に記載の苗木等保護具は、樹木の苗木などが、野生動物に食されることを防止するために、苗木などを覆う保護ネットと、保護ネットの内側に配設される、支持材と、第１リングと、第２リングとを含んでいる。支持材は、保護ネットの周壁に螺旋状に配設される長尺材である。第１リングは、円形のリング状部材であり、支持材の一端部に配設され、第２リングは、円形のリング状部材であり、支持材の他端部に配設される。支持材と、第１リングと、第２リングとによって、保護ネットは、起立した円筒状または円錐台状に保持される。保護ネットの周壁の外面側には、支柱が地面に打ち込まれており、支持材と、第１リングと、第２リングとが、複数個所で支柱に掛け止められている。苗木等保護具は、保護ネットが積雪の重みで変形して、苗木が損傷することを防止するために、支持材と、第１リングと、第２リングとが組み込まれた高い強度を備えた構造とされている。さらに苗木等保護具は、作業現場で組み立て可能な構成とされている。 The protective device such as a seedling described in Patent Literature 1 includes a protection net that covers a seedling and the like and a support that is disposed inside the protection net in order to prevent a tree seedling and the like from being eaten by wild animals. A material, a first ring, and a second ring are included. The support member is a long member spirally disposed on the peripheral wall of the protection net. The first ring is a circular ring-shaped member, and is disposed at one end of the support. The second ring is a circular ring-shaped member, and is disposed at the other end of the support. The support net, the first ring, and the second ring hold the protection net in an upright cylindrical or truncated cone shape. On the outer surface side of the peripheral wall of the protection net, a column is driven into the ground, and a support member, a first ring, and a second ring are hooked to the column at a plurality of locations. The protective equipment such as a seedling has a high strength in which a support material, a first ring, and a second ring are incorporated in order to prevent the protective net from being deformed by the weight of snow and damaging the seedling. It has a structure. Further, the protective equipment such as a seedling is configured to be assembled at the work site.
特許文献１に記載の苗木等保護具では、保護ネットを、起立した円筒状または円錐台状に保持する支持材、第１リングおよび第２リングが、複数個所で留め具によって支柱に掛け留められるので、苗木等保護具が設置される現場での組立作業に手間を要するという問題がある。また、苗木等保護具は、保護ネット、支持材、第１リング、第２リング、支柱、複数の留め具によって構成され、部品点数が多いという問題がある。 In the protective equipment such as a seedling described in Patent Literature 1, the support member, the first ring, and the second ring that hold the protective net in an upright cylindrical shape or a truncated cone shape are hooked and fastened to the support column at a plurality of locations by fasteners. Therefore, there is a problem that the assembling work on site where the protective equipment such as the seedlings are installed is troublesome. In addition, the protective equipment such as a seedling is composed of a protective net, a support material, a first ring, a second ring, a support, and a plurality of fasteners, and has a problem that the number of parts is large.
本発明の目的は、部品点数が少なく、設置される現場で簡単に組み立てることができる幼齢木保護具を提供することである。 An object of the present invention is to provide a young tree protector which has a small number of parts and can be easily assembled at the installation site.
本発明は、地面に植生された幼齢木に装着される幼齢木保護具であって、
前記幼齢木を覆う筒状の覆い部と、
前記覆い部から内方に突出して前記覆い部の長手方向に沿って延びる、棒状部材が挿通可能な筒状の挿通部と、
前記覆い部の一方側から内方に、前記覆い部の長さ方向に沿って延びるように、一重織によって形成された第１耳部と、
前記覆い部の他方側から内方に、前記覆い部の長さ方向に沿って延びるように、一重織によって形成された第２耳部と、を含み、
前記挿通部は、前記第１耳部および前記第２耳部の少なくとも一方の中間部に、前記覆い部と平行に形成されており、
前記覆い部および前記挿通部は、二重織によって形成されていることを特徴とする幼齢木保護具である。
The present invention is a young tree protector attached to a young tree vegetated on the ground,
A tubular covering portion for covering the young tree,
A tubular insertion portion that projects inward from the cover portion and extends along the longitudinal direction of the cover portion, and through which a rod-shaped member can be inserted,
A first ear portion formed by a single weave so as to extend inward from one side of the cover portion along a length direction of the cover portion;
A second ear formed by a single weave so as to extend inward from the other side of the covering portion along a length direction of the covering portion;
The insertion portion is formed at an intermediate portion of at least one of the first ear portion and the second ear portion, in parallel with the cover portion,
The covering part and the insertion part are formed of a double weave, and are a young tree protector.
また本発明は、前記覆い部および前記挿通部が、樹脂から成ることを特徴とする。 Further, the present invention is characterized in that the cover portion and the insertion portion are made of resin.
また本発明は、前記樹脂が、生分解性繊維を含むことを特徴とする。 Further, the present invention is characterized in that the resin contains biodegradable fibers.
また本発明は、前記覆い部の下端部を地面に固定する固定部材をさらに含んでいることを特徴とする。 Further, the invention is characterized in that it further includes a fixing member for fixing a lower end portion of the covering portion to the ground.
本発明によれば、覆い部が地面に植生された幼齢木を覆った状態で、棒状部材を挿通部に挿通し、該棒状部材の下端を地面に打ち込むだけで、地面に植生された幼齢木に幼齢木保護具を装着することができる。また、覆い部および挿通部が、二重織素材から成り、第１耳部および第２耳部が一重織素材から成るので、たとえば覆い部を実現するための第１筒状部と、第１筒状部と平行に織製された挿通部を実現するための第２筒状部とを有する織物を一重織と二重織とを切換えて織製し、第１筒状部を表裏反転することによって、覆い部内に第１耳部および第２耳部が位置する幼齢木保護具を、一体の織物として容易に形成することができ、安価に大量生産することが可能となり、汎用性の高い幼齢木保護具を容易に提供することができる。 According to the present invention, in a state where the covering portion covers the young tree vegetated on the ground, the rod-shaped member is inserted into the insertion portion, and the lower end of the rod-shaped member is driven into the ground, whereby the young plant vegetated on the ground is obtained. The young tree can be equipped with a young tree protector. Further, since the covering portion and the insertion portion are made of a double woven material, and the first ear portion and the second ear portion are made of a single woven material, for example, a first tubular portion for realizing the covering portion, A fabric having a second tubular portion for realizing an insertion portion woven in parallel with the tubular portion is woven by switching between a single weave and a double weave, and the first tubular portion is turned upside down. Thereby, the young tree protector in which the first ear portion and the second ear portion are located in the cover portion can be easily formed as an integral fabric, and can be mass-produced at low cost, and versatile. High young tree protection can be easily provided.
また本発明によれば、挿通部は、覆い部から内方に突出して覆い部の長手方向に沿って延びるので、棒状部材を挿通部に挿通することによって、挿通部と覆い部とが、棒状部材によって筒状に保持される。これによって、前記従来技術のように、複数の留め具によって、保護ネットを支柱に掛け留める必要がなくなり、幼齢木保護具の部品点数を削減し、現場での組み立てを容易化することができる。 According to the present invention, the insertion portion projects inward from the cover portion and extends along the longitudinal direction of the cover portion.Therefore, by inserting the rod-shaped member into the insertion portion, the insertion portion and the cover portion are formed in a rod-like shape. It is held in a tubular shape by a member. This eliminates the necessity of hanging the protective net on the support post by using a plurality of fasteners as in the above-described conventional technique, thereby reducing the number of parts of the young-wood protector and facilitating assembly on site. .
また本発明によれば、前記覆い部および前記挿通部は、樹脂から成るので、覆い部と挿通部とを同一材料によって同時に1つの部材によって製造することが可能となり、幼齢木保護具を容易に高い生産効率で製造することができる。 Further, according to the present invention, since the covering portion and the insertion portion are made of resin, the covering portion and the insertion portion can be manufactured by one member at the same time using the same material. Can be manufactured with high production efficiency.
また本発明によれば、樹脂は生分解性繊維を含むので、幼齢木保護具は、一定期間経過後、土壌の微生物によって、完全に分解され、炭酸ガス、メタン、水、バイオマスなどの自然的副産物に変化し、環境汚染を防止することができる。 Further, according to the present invention, since the resin contains biodegradable fibers, the young tree protector is completely decomposed by microorganisms in the soil after a certain period of time, and is naturally decomposed by carbon dioxide, methane, water, biomass and the like. It turns into a by-product and prevents environmental pollution.
また本発明によれば、覆い部の下端部は、固定部材によって地面に固定されているので、幼齢木保護具が風に煽られて、棒状部材から抜け出ることを防止することができる。さらに、害獣が覆い部の下端部を捲り上げ、幼齢木保護具を損壊することを防止することができる。 Further, according to the present invention, since the lower end portion of the covering portion is fixed to the ground by the fixing member, it is possible to prevent the young tree protector from falling out of the rod-shaped member due to the wind. Further, it is possible to prevent the vermin from lifting the lower end of the covering portion and damaging the young tree protective equipment.
図１は、本発明の第１実施形態に係る幼齢木保護具１を幼齢木４に装着した状態を示す斜視図である。図２は、図１に示す幼齢木保護具１を切断面線ＩＩ−ＩＩから見た断面図である。図３は、合成繊維の織物１１の組織構造を模式的に表した図である。図４は、図３に示す模式図の拡大図である。 FIG. 1 is a perspective view showing a state where a young tree protector 1 according to a first embodiment of the present invention is mounted on a young tree 4. FIG. 2 is a cross-sectional view of the young tree protector 1 shown in FIG. 1 as viewed from a section line II-II. FIG. 3 is a diagram schematically illustrating a tissue structure of the synthetic fiber woven fabric 11. FIG. 4 is an enlarged view of the schematic diagram shown in FIG.
幼齢木保護具１は、たとえば合成繊維の織物１１から成り、筒状の覆い部２と、覆い部２から内方に突出して覆い部２の長手方向に沿って延びる筒状の挿通部３とを含む。幼齢木保護具１は、覆い部２が、地面６に植生された幼齢木４を覆った状態で、挿通部３に挿通された支柱５が地面６に打ち込まれて、幼齢木４に装着される。幼齢木保護具１に用いられる合成繊維として、たとえば、ポリ乳酸繊維である東レ株式会社製の商品名「エコディア」（登録商標）が使用される。 The young tree protector 1 is made of, for example, a woven fabric 11 of synthetic fiber, and has a cylindrical cover portion 2 and a cylindrical insertion portion 3 that projects inward from the cover portion 2 and extends along the longitudinal direction of the cover portion 2. And In the state where the covering part 2 covers the young tree 4 vegetated on the ground 6, the strut 5 inserted into the insertion part 3 is driven into the ground 6, and the young tree 4 Attached to. As the synthetic fiber used for the young tree protective equipment 1, for example, polylactic acid fiber, trade name “Ecodia” (registered trademark) manufactured by Toray Industries, Inc. is used.
幼齢木保護具１は、たとえば覆い部２である第１筒状部１３と、挿通部３である第２筒状部１６とが二重織（筒織）された合成繊維の織物１１の第１筒状部１３が表裏反転されて、挿通部３が覆い部２から内方に突出して、覆い部２の長手方向に沿って延びた状態で使用される。 The young tree protector 1 includes, for example, a synthetic fiber woven fabric 11 in which a first tubular portion 13 as a cover portion 2 and a second tubular portion 16 as an insertion portion 3 are double-woven (tubular weave). The first tubular portion 13 is used in a state where the first tubular portion 13 is turned upside down, and the insertion portion 3 protrudes inward from the cover portion 2 and extends along the longitudinal direction of the cover portion 2.
織物１１の組織構造を示す図３および図４において、経糸１７を○印で表し、緯糸１８を実線で表している。経糸１７は幼齢木保護具１の長さ方向に延びており、緯糸１８は経糸１７と垂直な幼齢木保護具１の幅方向に延びている。 In FIGS. 3 and 4 showing the structure of the woven fabric 11, the warp yarn 17 is indicated by a circle and the weft yarn 18 is indicated by a solid line. The warp 17 extends in the length direction of the young tree protector 1, and the weft 18 extends in the width direction of the young tree protector 1 perpendicular to the warp 17.
図３に示すように、合成繊維の織物１１は、第１筒状部１３と、第１筒状部１３の一方側に、一重織によって製織される第１耳部１４と、第１筒状部１３の他方側に一重織によって製織される第２耳部１５と、を有しており、第２筒状部１６は、第１耳部１４の中間部に製織される。 As shown in FIG. 3, the synthetic fiber woven fabric 11 includes a first tubular portion 13, a first ear portion 14 woven on a single side on one side of the first tubular portion 13, and a first tubular portion 13. A second ear portion 15 woven by a single weave on the other side of the portion 13, and the second tubular portion 16 is woven at an intermediate portion of the first ear portion 14.
第１筒状部１３は、第１耳部１４と第２耳部１５とに渡っている経糸１７と緯糸１８とを、第１耳部１４と第２耳部１５との間でそれぞれ２分した２組の経糸１７および緯糸１８によって製織される。第２筒状部１６は、第１耳部１４の経糸１７と緯糸１８とを、第１耳部１４の中間部でそれぞれ２分した２組の経糸１７および緯糸１８によって製織される。 The first tubular portion 13 divides the warp 17 and the weft 18 extending over the first ear 14 and the second ear 15 into two minutes between the first ear 14 and the second ear 15, respectively. The two sets of warp 17 and weft 18 are woven. The second cylindrical portion 16 is woven by two sets of the warp 17 and the weft 18 that are obtained by dividing the warp 17 and the weft 18 of the first ear 14 at the middle of the first ear 14 respectively.
図４は、第２筒状部１６と、第２筒状部１６に連なる第１耳部１４との織物の組織構造を模式的に表した拡大図である。緯糸１８が符号１に示す方向に送られ、さらに緯糸１８が符号１に示す方向とは逆方向の符号２に示す方向に送られて、第２筒状部１６の一方を構成する織物が構成される。緯糸１８が符号３に示す方向（符号１に示す方向）に送られ、さらに緯糸１８が符号３に示す方向とは逆方向の符号４に示す方向（符号２に示す方向）に送られて、第２筒状部１６の他方を構成する織物が構成される。このように、第１筒状部１３と第２筒状部１６とは、重なった２枚の織物の両端が接結された形状に製織される。 FIG. 4 is an enlarged view schematically showing the tissue structure of the fabric of the second tubular portion 16 and the first ear portion 14 connected to the second tubular portion 16. The weft 18 is sent in the direction indicated by reference numeral 1, and the weft 18 is sent in the direction indicated by reference numeral 2, which is the opposite direction to the direction indicated by reference numeral 1, to form a fabric forming one of the second tubular portions 16. Is done. The weft 18 is sent in the direction indicated by reference numeral 3 (the direction indicated by reference numeral 1), and the weft 18 is sent in the direction indicated by reference numeral 4 (the direction indicated by reference numeral 2), which is the opposite direction to the direction indicated by reference numeral 3. The fabric constituting the other of the second cylindrical portion 16 is configured. As described above, the first tubular portion 13 and the second tubular portion 16 are woven into a shape in which both ends of two overlapping fabrics are joined.
第１筒状部１３を表裏反転して形成された幼齢木保護具１の覆い部２の直径×長さは、たとえば２７ｃｍ×１７０ｃｍである。覆い部２の直径が２７ｃｍであれば、該直径方向の幅寸法が概ね３０ｃｍ以下の幼齢木４に幼齢木４の成長を妨げることなく装着することができる。なお、覆い部２は、円筒状に装着されるものに限定されない。たとえば、幼齢木４の枝の向きに沿った、断面が楕円形の筒状に装着されるものでも良い。 The diameter × length of the cover 2 of the young tree protector 1 formed by inverting the first cylindrical portion 13 is, for example, 27 cm × 170 cm. If the diameter of the cover part 2 is 27 cm, it can be mounted on the young tree 4 whose width in the diameter direction is approximately 30 cm or less without hindering the growth of the young tree 4. In addition, the cover part 2 is not limited to what is mounted cylindrically. For example, the young tree 4 may be mounted in an elliptical cylindrical shape along the direction of the branch.
覆い部２を構成する第１筒状部１３と挿通部３を構成する第２筒状部１６とは、たとえば、１インチあたり２２本の経糸１７と、１インチあたり２２本の緯糸１８とで構成され、あるいは、１インチあたり２４本の経糸１７と、１インチあたり２４本の緯糸１８とで構成される。経糸１７および緯糸１８は、たとえば３８０デニールのものが使用される。 The first cylindrical portion 13 forming the covering portion 2 and the second cylindrical portion 16 forming the insertion portion 3 are composed of, for example, 22 warps 17 per inch and 22 wefts 18 per inch. Or 24 warps 17 per inch and 24 wefts 18 per inch. The warp yarn 17 and the weft yarn 18 are, for example, 380 denier.
第１筒状部１３および第２筒状部１６の経糸１７および緯糸１８の間隔および太さをこのように選定することによって、覆い部２の通気性を適度に確保することができ、覆い部２の内側に空気が滞って、覆い部２で囲まれた幼齢木４に悪影響を与えることを抑制することができる。また、幼齢木４の葉先が覆い部２を製織する経糸１７と緯糸１８と隙間から覆い部２の外側に突出して、幼齢木４が害獣の食害に晒されることを防止することができる。 By selecting the interval and the thickness of the warp yarn 17 and the weft yarn 18 of the first tubular portion 13 and the second tubular portion 16 in this way, it is possible to appropriately secure the air permeability of the cover portion 2 and to cover the cover portion. It is possible to suppress that the air is stagnated inside the inside 2 and adversely affects the young tree 4 surrounded by the cover 2. Further, the tip of the young tree 4 protrudes from the gap between the warp 17 and the weft 18 that weave the covering section 2 to the outside of the covering section 2 to prevent the young tree 4 from being exposed to pests. Can be.
幼齢木保護具１は、覆い部２を実現するための第１筒状部１３の一方側に、一重織によって第１筒状部１３の長さ方向に製織される第１耳部１４を有し、第１筒状部１３の他方側に、一重織によって第１筒状部１３の長さ方向に製織される第２耳部１５を有し、第１耳部１４の中間部に、挿通部３を実現するための第２筒状部１６が、第１筒状部１３と平行に製織されている。第１筒状部１３の両側は、一重織された、第１耳部１４と第２耳部１５とによって、第１筒状部１３の長手方向に補強されており、第２筒状部１６の両側は、一重織された、第１耳部１４によって、第２筒状部１６の長手方向に補強されている。また、支柱５を挿通部３に挿通することによって、挿通部３と覆い部２とを支柱５に沿って延びる筒状とすることができるので、支柱５を挿通部３に挿通するだけで、挿通部３と覆い部２とが、支柱５に筒状に保持される。このため、幼齢木保護具１の部品点数を削減し、現場での組み立てを容易化することができる。さらに、覆い部２に積雪などによる荷重が加えられ、あるいは覆い部２が強風を受けた場合に、覆い部２が過度に変形して幼齢木に接触し、幼齢木が損傷することを抑制することができる。 The young tree protector 1 has a first ear portion 14 woven in a length direction of the first tubular portion 13 by a single weave on one side of the first tubular portion 13 for realizing the covering portion 2. A second ear portion 15 that is woven in the length direction of the first cylindrical portion 13 by a single weave on the other side of the first cylindrical portion 13, and at a middle portion of the first ear portion 14, A second tubular portion 16 for realizing the insertion portion 3 is woven in parallel with the first tubular portion 13. Both sides of the first tubular portion 13 are reinforced in the longitudinal direction of the first tubular portion 13 by a single woven first ear portion 14 and a second ear portion 15, and the second tubular portion 16 is reinforced. Are reinforced in the longitudinal direction of the second tubular portion 16 by the first ears 14 which are single-woven. Further, by inserting the support 5 into the insertion portion 3, the insertion portion 3 and the cover 2 can be formed into a cylindrical shape extending along the support 5, so that the support 5 is simply inserted through the insertion portion 3. The insertion portion 3 and the cover portion 2 are held by the column 5 in a tubular shape. For this reason, the number of parts of the young tree protector 1 can be reduced, and assembling on site can be facilitated. Furthermore, when a load such as snow is applied to the cover part 2 or the cover part 2 receives a strong wind, the cover part 2 is excessively deformed and contacts the young tree, and the young tree is damaged. Can be suppressed.
支柱５が挿通される挿通部３である第２筒状部１６は、一重織によって製織される第１耳部１４の中間部に製織されており、第２筒状部１６の両側は、第２筒状部１６の長手方向に製織される第１耳部１４によって補強されているので、挿通部３が過度に変形して、幼齢木保護具１を装着するとき、挿通部３に支柱５を挿通させにくくなることを防止することができる。 The second cylindrical portion 16 which is the insertion portion 3 through which the support 5 is inserted is woven at an intermediate portion of the first ear portion 14 which is woven by a single weave, and both sides of the second cylindrical portion 16 are Since the first ear portion 14 woven in the longitudinal direction of the two cylindrical portions 16 is reinforced, the insertion portion 3 is excessively deformed, and the support portion is attached to the insertion portion 3 when the young tree protector 1 is mounted. 5 can be prevented from being difficult to insert.
挿通部３は、覆い部２から内方に突出して覆い部２の長手方向に沿って延びるので、支柱５を挿通部３に挿通することによって、挿通部３と覆い部２とが支柱５に沿って延びる筒状とすることができるので、幼齢木保護具１の部品点数を削減し、現場での組み立てを容易化することができる。また、覆い部２に積雪などによる荷重が加えられた場合でも、支柱５が挿通された挿通部３が、挿通部３の長さ方向に圧縮されることを抑制することができる。 Since the insertion portion 3 projects inward from the cover portion 2 and extends along the longitudinal direction of the cover portion 2, the insertion portion 3 and the cover portion 2 are connected to the support column 5 by inserting the support 5 through the insertion portion 3. Since it can be formed in a cylindrical shape extending along, the number of parts of the young tree protector 1 can be reduced, and assembling on site can be facilitated. Further, even when a load due to snow or the like is applied to the cover 2, it is possible to suppress the insertion portion 3 into which the support column 5 is inserted from being compressed in the length direction of the insertion portion 3.
挿通部３に挿通された支柱５は、挿通部３に覆われているので、幼齢木４が支柱５に巻き付くことを防止することができる。これによって、幼齢木４が支柱５に巻き付いて、幼齢木４の成長が妨げられることを防止することができる。また、挿通部３は、挿通部３の長手方向の全長に製織された第１耳部１４を介して、覆い部２に連なっているので、該幼齢木４が挿通部３に巻き付くことはできず、幼齢木４が挿通部３に巻き付いて、幼齢木４の成長が妨げられることを防止することができる。 Since the strut 5 inserted into the insertion portion 3 is covered with the insertion portion 3, the young tree 4 can be prevented from winding around the strut 5. Thus, it is possible to prevent the young tree 4 from wrapping around the column 5 and hindering the growth of the young tree 4. Further, since the insertion portion 3 is connected to the cover portion 2 through the first ear portion 14 woven over the entire length in the longitudinal direction of the insertion portion 3, the young tree 4 may be wound around the insertion portion 3. Therefore, it is possible to prevent the young tree 4 from wrapping around the insertion portion 3 and hindering the growth of the young tree 4.
幼齢木保護具１は、樹脂である合成繊維の織物１１によって一体に形成することができので、安価に大量生産することができる。幼齢木保護具１は、軽量であり、積み重ね、あるいはロール状に巻いて、容易に運搬することができ、小さいスペースに保管することができる。 Since the young tree protector 1 can be formed integrally with the synthetic fiber fabric 11 as a resin, it can be mass-produced at low cost. The young tree protector 1 is lightweight, can be stacked or rolled up, easily transported, and stored in a small space.
ポリ乳酸繊維である東レ株式会社製の「エコディア」は、８〜１０年程度の耐久性を有しており、幼齢木保護具１が装着された幼齢木４の枝葉が害獣の食害に遭うことを防止することができ、幼齢木４が成長した後は、害獣が樹皮を引き剥がすことを防止することができる。 “Ecodia”, a polylactic acid fiber manufactured by Toray Industries, Inc., has a durability of about 8 to 10 years, and the leaves of the young tree 4 to which the young tree protective equipment 1 is attached are harmful to vermin. Can be prevented, and the pests can be prevented from peeling off the bark after the young tree 4 has grown.
ポリ乳酸繊維であるエコディアは、生分解性繊維であり、耐久性を有する期間が経過した後、微生物によって、完全に消費され、炭酸ガス、メタン、水、バイオマスなどの自然的副産物に変化するので、幼齢木保護具１が、山林などに放置された場合でも、幼齢木保護具１が自然環境に悪影響を与えることを防止することができる。なお、経糸および緯糸は、生分解性が損なわれることを防止するために、着色しないことが好ましい。 Ecodia, a polylactic acid fiber, is a biodegradable fiber, and after a durable period of time, is completely consumed by microorganisms and transformed into natural by-products such as carbon dioxide, methane, water, and biomass. Even when the young tree protector 1 is left in a mountain forest or the like, the young tree protector 1 can be prevented from adversely affecting the natural environment. The warp and the weft are preferably not colored in order to prevent the biodegradability from being impaired.
支柱５として、たとえば直径が８ｍｍ、長さが２．１ｍのＦＲＰ(Fiber-Reinforced Plastics)製のものが使用される。幼齢木保護具１の長さは、たとえば１７０ｃｍであり、支柱５は、地面に４０ｃｍ程度打ち込まれる。 For example, a column 5 made of FRP (Fiber-Reinforced Plastics) having a diameter of 8 mm and a length of 2.1 m is used. The length of the young tree protector 1 is, for example, 170 cm, and the column 5 is driven into the ground by about 40 cm.
ＦＲＰ製の支柱５は、弾性変形する荷重の領域が広く、覆い部２に積もった雪の重み、および強風などによって、曲げ荷重が支柱５に加わった場合に、該曲げ荷重によって支柱５が破断することを抑制することができる。覆い部２に積もった雪が解け、覆い部２が受ける荷重が解除されると、支柱５は、荷重を受ける前の形状に戻る。また、ＦＲＰ製の支柱５は軽量であり、持ち運びに便利である。支柱５は、一体成形されたものに限定されず、たとえば連結可能な複数本の部材によって構成することもできる。 The FRP strut 5 has a wide elastic deformation load area. When a bending load is applied to the strut 5 due to the weight of snow on the cover 2 and strong wind, the strut 5 is broken by the bending load. Can be suppressed. When the snow accumulated on the cover portion 2 melts and the load applied to the cover portion 2 is released, the column 5 returns to the shape before receiving the load. In addition, the FRP column 5 is lightweight and is convenient to carry. The support 5 is not limited to a single piece, and may be composed of, for example, a plurality of connectable members.
覆い部２の下端部は、幼齢木４が植生された地面６に杭打ちされる。杭７は、細長な竹製の短尺材を用いて作製可能である。杭７の打ち込み方向先端部８は、杭打ちされるときに杭７が地面６から受ける抵抗を低減するために、鋭角に形成されている。杭７の打ち込み方向と垂直な側部９には、杭７に覆い部２を係止する係止部１０が形成されている。係止部１０は、たとえば側部９に形成された溝部である。 The lower end of the cover 2 is piled on the ground 6 on which the young trees 4 are vegetated. The stake 7 can be manufactured using an elongated bamboo short material. The tip 8 in the driving direction of the pile 7 is formed at an acute angle in order to reduce the resistance that the pile 7 receives from the ground 6 when the pile 7 is driven. A locking portion 10 for locking the cover 2 to the pile 7 is formed on a side portion 9 perpendicular to the driving direction of the pile 7. The locking portion 10 is, for example, a groove formed in the side portion 9.
幼齢木保護具１は、覆い部２の下端部を地面に固定する杭７を含んでいるので、覆い部２の下端部と、幼齢木４が植生されている地面６との間に隙間がない状態で、覆い部２の下端部を地面６に固定することができる。これによって、幼齢木保護具１が風に煽られて、支柱５から抜け出ることを防止することができる。また、害獣が覆い部２の下端部を捲り上げて、幼齢木保護具１を損壊することを防止することができる。 Since the young tree protector 1 includes the stake 7 for fixing the lower end of the cover 2 to the ground, the protective cover 1 is provided between the lower end of the cover 2 and the ground 6 on which the young tree 4 is vegetated. The lower end of the cover 2 can be fixed to the ground 6 without any gap. Thereby, the young tree protector 1 can be prevented from being blown out by the wind and falling out of the column 5. Further, it is possible to prevent the vermin from raising the lower end portion of the covering portion 2 and damaging the young tree protector 1.
このように、地面６に植生された幼齢木４に装着される幼齢木保護具１は、幼齢木４を覆う筒状の覆い部２と、覆い部２から内方に突出して覆い部２の長手方向に沿って延びる、支柱５が挿通可能な筒状の挿通部３と、を含むので、支柱５を挿通部３に挿通することによって、挿通部３と覆い部２とが支柱５に沿って延びる筒状とすることができる。これによって、幼齢木保護具１の部品点数を削減し、現場での組み立てを容易化することができる。 As described above, the young tree protector 1 attached to the young tree 4 vegetated on the ground 6 is covered with the cylindrical cover 2 that covers the young tree 4 and protrudes inward from the cover 2. Since the support member 5 includes a cylindrical insertion portion 3 extending along the longitudinal direction of the portion 2 and through which the support column 5 can be inserted, the support portion 5 is inserted into the insertion portion 3 so that the insertion portion 3 and the cover portion 2 are supported by the support column 2. 5 can be formed into a cylindrical shape. As a result, the number of parts of the young tree protector 1 can be reduced, and assembling on site can be facilitated.
また、覆い部２が地面６に植生された幼齢木４を覆った状態で、支柱５を挿通部３に挿通し、該支柱５の下端を地面６に打ち込むだけで、地面６に植生された幼齢木４に幼齢木保護具１を装着することができる。 In addition, with the covering portion 2 covering the young tree 4 vegetated on the ground 6, the support 5 is inserted into the insertion portion 3, and the lower end of the support 5 is driven into the ground 6 to vegetate on the ground 6. The young tree protection tool 1 can be attached to the young tree 4 that has been used.
幼齢木保護具１は、合成繊維の織物１１によって形成されているが、これに限定されるものではない。覆い部２と挿通部３とが樹脂によって一体に成形されても良い。あるいは、挿通部３を覆い部２とは別部品として、たとえば、挿通部３を覆い部２に嵌合する構成とすることもできる。また、幼齢木保護具１の材料として、生分解性を有しているものを使用しているが、生分解性を有していない材料によって形成することもできる。 The young tree protector 1 is formed of a synthetic fiber fabric 11, but is not limited thereto. The cover portion 2 and the insertion portion 3 may be integrally formed of resin. Alternatively, the insertion portion 3 may be a separate component from the cover portion 2, for example, the insertion portion 3 may be fitted to the cover portion 2. Moreover, although the thing which has biodegradability is used as a material of the young tree protective equipment 1, it can also be formed by the material which does not have biodegradability.
図５は、本発明の第２実施形態に係る幼齢木保護具２１を幼齢木４に装着した状態を示す斜視図である。図６は、図５に示す幼齢木保護具２１を、切断面線ＶＩ−ＶＩから見た断面図である。第１実施形態の説明と重複する部分については説明を省略し、同一の参照符を用いることとする。本実施形態では、覆い部２の一方側において、覆い部２の内側に突出して覆い部２の長手方向に沿って延びる筒状の第１の挿通部２２に加えて、覆い部２の他方側において、覆い部２の内側に突出して長手方向に沿って延びる筒状の第２の挿通部２３を含んでいる。第１の挿通部２２および第２の挿通部２３には、それぞれ地面６に打ち込まれる支柱２５が挿通されている。 FIG. 5 is a perspective view showing a state where the young tree protector 21 according to the second embodiment of the present invention is mounted on the young tree 4. FIG. 6 is a cross-sectional view of the young tree protector 21 shown in FIG. 5 as viewed from a section line VI-VI. The description of the same parts as those of the first embodiment will be omitted, and the same reference numerals will be used. In the present embodiment, on one side of the cover 2, in addition to the cylindrical first insertion portion 22 protruding inside the cover 2 and extending along the longitudinal direction of the cover 2, the other side of the cover 2 is provided. And a cylindrical second insertion portion 23 protruding inside the cover portion 2 and extending along the longitudinal direction. The first insertion portion 22 and the second insertion portion 23 each have a support 25 driven into the ground 6 inserted therein.
このように、第１の挿通部２２および第２の挿通部２３に、それぞれ支柱２５を挿通して地面６に打ち込むことによって、覆い部２をさらに強固に固定することができる。 In this manner, the cover 2 can be more firmly fixed by inserting the support 25 into the first insertion portion 22 and the second insertion portion 23 and driving the support 25 into the ground 6.
図７は、本発明の第３実施形態に係る幼齢木保護具３１を幼齢木４に装着した状態を示す斜視図である。第１実施形態の説明と重複する部分については説明を省略し、同一の参照符を用いることとする。本実施形態では、支柱５が挿通された挿通部３の外側から、留め具２４を用いて、挿通部３を支柱５に留めている。留め具２４は、たとえば、弾性変形可能な断面形状がＣ形の部材である。このような構成であれば、覆い部２の下端部に杭打ちされた杭７が抜けた場合などに、たとえば害獣が覆い部２の下端部を捲り上げた幼齢木保護具１が風に煽られて、支柱５から抜け出ることを防止することができる。 FIG. 7 is a perspective view showing a state where the young tree protector 31 according to the third embodiment of the present invention is mounted on the young tree 4. The description of the same parts as those of the first embodiment will be omitted, and the same reference numerals will be used. In the present embodiment, the insertion portion 3 is fastened to the support 5 from the outside of the insertion portion 3 through which the support 5 is inserted, using a fastener 24. The fastener 24 is, for example, an elastically deformable C-shaped member. With such a configuration, for example, when the pile 7 staken at the lower end of the cover 2 is pulled out, for example, the young tree protector 1 in which the vermin has lifted up the lower end of the cover 2 is not affected by wind. It is possible to prevent the user from falling out of the support column 5 by being swung by the air.
１，２１，３１ 幼齢木保護具
２ 覆い部
３ 挿通部
４ 幼齢木
５，２５ 支柱
６ 地面
７ 杭
８ 先端部
９ 側部
１０ 係止部
１１ 織物
１３ 第１筒状部
１４ 第１耳部
１５ 第２耳部
１６ 第２筒状部
１７ 経糸
１８ 緯糸
２２ 第１の挿通部
２３ 第２の挿通部
２４ 留め具
1,21,31 Young-aged tree protector 2 Covering portion 3 Insertion portion 4 Young-aged tree 5,25 Prop 6 Ground 7 Pile 8 Tip 9 Side 10 Locking portion 11 Textile 13 First tubular portion 14 First ear Part 15 Second ear part 16 Second cylindrical part 17 Warp 18 Weft 22 First insertion part 23 Second insertion part 24 Fastener
Claims (4)
前記幼齢木を覆う筒状の覆い部と、
前記覆い部から内方に突出して前記覆い部の長手方向に沿って延びる、棒状部材が挿通可能な筒状の挿通部と、
前記覆い部の一方側から内方に突出して、前記覆い部の長さ方向に沿って延びる、一重織によって形成された第１耳部と、
前記覆い部の他方側から内方に突出して、前記覆い部の長さ方向に沿って延びる、一重織によって形成された第２耳部と、を含み、
前記挿通部は、前記第１耳部および前記第２耳部の少なくとも一方の中間部に、前記覆い部と平行に形成されており、
前記覆い部および前記挿通部は、二重織によって形成されていることを特徴とする幼齢木保護具。 A young tree protector attached to a young tree vegetated on the ground,
A tubular covering portion for covering the young tree,
A tubular insertion portion that projects inward from the cover portion and extends along the longitudinal direction of the cover portion, and through which a rod-shaped member can be inserted,
A first ear formed by a single weave, projecting inward from one side of the covering portion and extending along a length direction of the covering portion;
A second ear formed by a single weave, protruding inward from the other side of the cover and extending along the length of the cover.
The insertion portion is formed at an intermediate portion of at least one of the first ear portion and the second ear portion, in parallel with the cover portion,
The covering device and the insertion portion are formed by double weaving .
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| JP2018110733A JP6634474B2 (en) | 2018-06-08 | 2018-06-08 | Young tree protection |
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| JP2018143181A (en) * | 2017-03-07 | 2018-09-20 | 信濃化学工業株式会社 | Protector for planting trees |
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