JP3165743U - Pile driving tool - Google Patents

Pile driving tool Download PDF

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JP3165743U
JP3165743U JP2010007625U JP2010007625U JP3165743U JP 3165743 U JP3165743 U JP 3165743U JP 2010007625 U JP2010007625 U JP 2010007625U JP 2010007625 U JP2010007625 U JP 2010007625U JP 3165743 U JP3165743 U JP 3165743U
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pile
weight
hammer body
pile driving
cavity
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正彦 大羽
正彦 大羽
義道 大羽
義道 大羽
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コロナ電機技術 株式会社
コロナ電機技術 株式会社
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Abstract

【課題】花木用の杭や棚用の杭等の各種杭を、安全に1人で打ち込める杭打ち具を提供する。【解決手段】筒状のハンマー本体1の内面には、上方を、重量物(金属)で閉塞し、かつ杭を打撃する錘2とし、また、下方を、杭挿入空間として役立つ空洞3とする。そして、ハンマー本体の外面には、作業者が把持する対の把手5を、対称に設ける。上方を錘2、下方を空洞3とする、二分割構造のハンマー本体1で杭の頭部を空洞で捉え、杭に、錘の落下速度と荷重を、確実に、伝達して杭打ちをおこなう。【選択図】図2PROBLEM TO BE SOLVED: To provide a pile driving tool capable of safely driving various piles such as piles for flowers and trees and piles for shelves by one person. SOLUTION: On the inner surface of a tubular hammer body 1, the upper part is a weight 2 which is closed with a heavy object (metal) and hits a pile, and the lower part is a cavity 3 which is useful as a pile insertion space. .. A pair of handles 5 to be gripped by the operator are symmetrically provided on the outer surface of the hammer body. The head of the pile is caught in the cavity by the hammer body 1 having a two-part structure with the weight 2 on the upper side and the cavity 3 on the lower side, and the falling speed and load of the weight are reliably transmitted to the pile to perform pile driving. .. [Selection diagram] Fig. 2

Description

本考案は、花木用の杭、柵用の杭、或いは海苔養殖用の杭、等の各種の杭を、一人で、かつ安心して打込める杭打ち具に関する。   The present invention relates to a pile driving tool that can drive various piles such as a pile for flowering trees, a pile for fences, or a pile for nori culture, alone and safely.

一般に、この種の杭は、後述する文献(1)に示すように、二人掛りで打込むことが作業である。従って、人手を要すること、又は持ち手に怪我を負わせること、等の問題を抱えている。その解決策が、一人で杭打ちが可能であり、しかも簡易で、確実かつ安全に行える杭打ち具(杭打ち機)が要望される。この要望に答え得る杭打ち具を従来技術から、文献(1)〜(5)として列挙し、その構造と効果を検討する。   Generally, this type of pile is driven by two people as shown in the literature (1) described later. Therefore, there are problems such as requiring manpower or injuring the handle. There is a need for a pile driving tool (pile driver) that can be piled up by one person and that is simple, reliable, and safe. From the prior art, pile driving tools that can answer this demand are listed as documents (1) to (5), and their structures and effects are examined.

文献(1)は、特開2009−74341の「筒ハンマー」で、この発明は、ハンマー筒本体(ハンマー本体)の外面に、対称関係に倒半截U形の把手を取付け、この筒本体の上方天板部を鉄板で閉塞し、この筒本体に挿入した杭を、筒本体の打ち下しと、鉄板による打撃により杭打ち動作をする構造であり、一人での作業と、簡易で、確実かつ安全に行える杭打ち具と考えられる。しかし、錘が無いことから、杭打ちスピードが劣ること、又は外側の上方に把手のポイントを取付け構造であり、安定性に欠けることから、打ち下しに作業に、経験と注意を要すること、等の改良点がある。また、この発明は、打ち下し具であり、本来の錘を利用した杭打ち具でない。   Document (1) is a “cylinder hammer” disclosed in Japanese Patent Application Laid-Open No. 2009-74341. In this invention, a half-turned U-shaped handle is attached to the outer surface of a hammer cylinder body (hammer body) in a symmetrical relationship, The top plate is closed with an iron plate, and the pile inserted into the cylinder body is driven by the cylinder body and driven by the iron plate. It can be considered a safe pile driver. However, because there is no weight, the pile driving speed is inferior, or the handle point is attached to the outside and the structure is lacking in stability, so it requires experience and attention to work down, There are improvements such as. Moreover, this invention is a downing tool, and is not a pile driving tool using an original weight.

また、文献(2)は、特開平11−293673の「手動式の杭打ち器具」で、この発明は、杭の挿入を許す錘と、この錘を装着した把手を兼ねる杆材で形成したハンマー本体とで構成する。従って、杭に套嵌した錘を、ハンマー本体ごと、把手を介して、引上げ、その後、この錘とハンマー本体を落下することで、錘とハンマー本体の荷重を介して、杭打ちする構造であり、一人での作業と、簡易で、確実かつ安全に行える杭打ち具と考えられる。しかし、この発明は、杭を錘で套嵌する構造であり、この錘の全荷重が、杭に加わらず、効率が劣ると考えられる。また、ハンマー本体の構造が、傘状に絞込まれた構造であり、把手する際に、手の力が分散されることから、数本の杭打ち作業には不向きであり、また、杭打ち作業を失敗することが考えられ改良の余地が考えられる。   Reference (2) is a “manual pile driving device” disclosed in Japanese Patent Application Laid-Open No. 11-293673. This invention relates to a hammer formed of a weight that allows the pile to be inserted and a saddle material that also serves as a handle equipped with the weight. It consists of a main body. Therefore, the weight fitted to the pile is pulled up together with the hammer body through the handle, and then dropped by dropping the weight and the hammer body, thereby driving the pile through the load of the weight and the hammer body. It can be considered as a pile driving tool that can be used alone and can be easily, reliably and safely. However, the present invention has a structure in which a pile is fitted with a weight, and the total load of this weight is not applied to the pile, and it is considered that the efficiency is inferior. In addition, the structure of the hammer body is narrowed down in an umbrella shape, and the force of the hand is dispersed when gripping, so it is not suitable for several pile driving operations. It is possible that work will fail and there is room for improvement.

さらに、文献(3)は、実開平07−25036の「杭打ち具」であり、この考案は、ハンマー筒(ハンマー本体)の外面に、対称関係に半截コ形の把手を取付け、このハンマー筒の上方天板部をストライカーで閉塞し、このハンマー筒に挿入した杭を、ハンマー筒の打ち下しと、ストライカーによる打撃により杭打ち動作をする構造であり、前記文献(1)と略同じ構造であり、同様な効果が考えられる。また、その改良点も、前記文献(1)と同様に考えられる。   Further, Document (3) is a “pile driver” of Japanese Utility Model Laid-Open No. 07-25036, and this device has a semi-circular U-shaped handle attached symmetrically to the outer surface of a hammer cylinder (hammer body). The upper top plate portion is closed with a striker, and the pile inserted into the hammer cylinder is driven by the hammer cylinder and driven by the striker, and the structure is substantially the same as the above-mentioned literature (1). The same effect can be considered. Moreover, the improvement point is also considered like the said literature (1).

そして、文献(4)は、実開昭49−28804の「杭打器」であり、この考案は、パイプ(ハンマー本体)の外面に、対称関係となる複数本の半截コ形の把手を取付け、このパイプの中間に錘を設け、このパイプに挿入した杭を、パイプごと、把手を介して、引上げ、その後、この錘とパイプを落下することで、錘とパイプの荷重を介して、杭打ちする構造であり、前記文献(2)と略同じ構造であり、同様な効果が考えられる。しかし、この考案は、把手が複数本であるので、持上げ時に、他の把手が邪魔となり、杭打ち作業に困ることがあり得ること、又はこの把手の上下取付部が、パイプの上下端に設けられる構造であるので、把手を把持し、パイプと錘を持上げる際に、安定性に欠けること、等の改良点が考えられる。   Reference (4) is a “pile driver” disclosed in Japanese Utility Model Laid-Open No. 49-28804. This device has a plurality of semi-circular U-shaped handles attached to the outer surface of a pipe (hammer body). A weight is provided in the middle of this pipe, and the pile inserted into this pipe is pulled up together with the pipe through the handle, and then the weight and the pipe are dropped to drop the pile through the weight and the load of the pipe. This is a striking structure, which is substantially the same structure as in the literature (2), and the same effect can be considered. However, since the present invention has a plurality of handles, other handles may become obstructive when lifting, or the pile mounting work may be provided at the upper and lower ends of the pipe. Therefore, it is possible to consider improvements such as lack of stability when gripping the handle and lifting the pipe and weight.

特開2009−74341JP2009-74341A 特開平11−293673JP 11-293673 A 実開平07−25036Actually open hei 07-25036 実開昭49−28804Japanese Utility Model Publication 49-28804

文献(1)と文献(3)の如く、ハンマー本体に、錘を付設しない構造では、ハンマー本体の打ち下しと、鉄板、ストライカーによる打撃で、杭打ち動作をする。従って、杭打ちスピードが劣ること、杭打ちに時間と労力を要することで、複数の杭打ちには不向きであること、等の改良点がある。   As in the literature (1) and the literature (3), in the structure in which the weight is not attached to the hammer body, the pile driving operation is performed by the hammer body being downed and hitting with an iron plate or a striker. Therefore, there are improvements such as inferior pile driving speed, time and labor for pile driving, and unsuitability for multiple pile driving.

また、文献(2)と文献(4)の如く、ハンマー本体に、錘を付設した構造では、把手の取付け位置が、錘を付設した箇所とは、全く簡易ないところであり、このハンマー本体を、把手を把持し、持上げる際に、安定性に欠けること、そして、この安定性に欠けることは、スムーズ、かつ効率的な作業を図るには、問題があること、等の改良点がある。   Further, as in the literature (2) and the literature (4), in the structure in which the weight is attached to the hammer body, the attachment position of the handle is not quite simple from the place where the weight is attached. When gripping and lifting the handle, there is an improvement such as lack of stability, and lack of stability, there is a problem for smooth and efficient work.

上記に鑑み、本考案は、以下に説明する手段を利用して、改良点の解決を図る。   In view of the above, the present invention uses the means described below to solve the improvements.

即ち、請求項1の考案は、ハンマー本体の上方を錘とし、その下方を空洞とする、二分割構造とすることで、杭の頭部を空洞で捉え、かつ杭に、錘の落下速度と荷重を、確実に、伝達することを意図する。そして、この伝達を介して、例えば、錘とハンマー本体による打撃で、杭打ち動作をし、杭打ちスピードの向上と、杭打ちに要する時間短縮と労力軽減化を図ること、等を意図する。さらに、請求項1の考案は、前記伝達を介して、例えば、複数の杭打ちに、最適な杭打ち具を提供することを意図する。   That is, the invention of claim 1 has a two-part structure in which the upper part of the hammer body is a weight and the lower part is a cavity, so that the head of the pile is captured by the cavity, and the falling speed of the weight is It is intended to transmit the load reliably. Then, through this transmission, for example, a pile driving operation is performed by striking with a weight and a hammer body, and the speed of pile driving, the time required for pile driving, and labor reduction are intended. Furthermore, the idea of claim 1 is intended to provide an optimum pile driving tool for a plurality of pile driving, for example, through the transmission.

請求項1は、筒状のハンマー本体の内面には、その上方を、重量物(金属)で閉塞し、かつ杭を打撃する錘とし、また、その下方を、杭挿入空間として役立つ空洞とした構造であり、そして、このハンマー本体の外面には、作業者が把持する対の把手を、対称に設けることを特徴とした杭打ちである。   According to the first aspect of the present invention, on the inner surface of the cylindrical hammer body, the upper part is closed with a heavy object (metal) and the weight hits the pile, and the lower part is a cavity that serves as a pile insertion space. The pile driving is characterized in that a pair of grips gripped by an operator are provided symmetrically on the outer surface of the hammer body.

請求項2の考案は、杭打ち具の把手を、ハンマー本体の下部に向かって延設することで、高い杭、段差箇所、又は海苔網用の杭打ちに適する構造とすること、背の低い、例えば、子供用等の杭打ち具として利用可能とすること、等を意図する。また、請求項2の考案は、錘を下に、把手を上にして、杭押込み用、杭打撃用としての利用も可能とし、汎用性を確保すること等を意図する。その他は、前述の請求項1の意図に準ずる。   The invention of claim 2 has a structure suitable for pile driving for high piles, stepped portions, or laver nets by extending the handle of the pile driving tool toward the lower part of the hammer body, and the short For example, it is intended to be usable as a pile driving tool for children. Further, the invention of claim 2 is intended to ensure versatility by enabling use for pile pushing and pile hitting with the weight downward and the handle upward. Others conform to the intention of claim 1 described above.

請求項2は、請求項1に記載の杭打ち具であって、
前記対の把手は、その取付部を、前記空洞の外周に設け、その把手を、前記取付部より放射方向に拡張するとともに、ハンマー本体の下部より延長し、このハンマー本体の長手方向の寸法の、略2倍の寸法を確保することを特徴とした杭打ち具である。
Claim 2 is the pile driving tool according to claim 1,
The pair of handles has an attachment portion provided on the outer periphery of the cavity, and the handle extends radially from the attachment portion and extends from the lower portion of the hammer body. The pile driving tool is characterized by securing a dimension approximately twice as large.

請求項3の考案は、対の把手の一方の取付部を、錘の外周に設け、他方の取付け部を、前記空洞の外周に設ける構造とし、安定した状態で杭打ち作業をすること、杭を鉛直方向に確実に立設すること、等を意図する。また、錘の長手方向の略真中に、一方の取付部を設けることで、錘を持上げる力を軽減し、スムーズな持上げとともに、打ち下ろし等を図ることを意図する。また、請求項3の考案は、錘を下に、把手を上にして、杭押込み用、杭打撃用としての利用も可能とし、汎用性を確保すること等を意図する。さらに、請求項3の考案は、把手を横持で、錘を横にし、杭押込み用、杭打撃用としての利用も可能とし、汎用性を確保すること等を意図する。その他は、前述の請求項1の意図に準ずる。   The invention of claim 3 has a structure in which one attachment portion of the pair of grips is provided on the outer periphery of the weight, and the other attachment portion is provided on the outer periphery of the cavity, and the pile driving operation is performed stably. Is intended to stand upright in the vertical direction. In addition, it is intended to reduce the force of lifting the weight by providing one attachment portion in the substantially middle of the weight in the longitudinal direction, to achieve smooth lifting and downing. Further, the invention of claim 3 is intended to ensure versatility, etc. by allowing the pile to be pushed in and the pile hitting to be used with the weight down and the handle up. Further, the invention of claim 3 is intended to ensure versatility by allowing the handle to be held sideways, the weight to be sideways, making it possible to use for pushing the pile and hitting the pile. Others conform to the intention of claim 1 described above.

請求項3は、請求項1に記載の杭打ち具であって、
前記対の把手は、その一方の取付部を、前記錘の外周に設け、その他方の取付部を、前記空洞の外周に設ける構造とし、ハンマー本体の打撃時のぶれ解消を可能とすることを特徴とした杭打ち具である。
Claim 3 is the pile driving tool according to claim 1,
The pair of grips has a structure in which one attachment portion is provided on the outer periphery of the weight, and the other attachment portion is provided on the outer periphery of the cavity, so that it is possible to eliminate blurring when the hammer body is hit. It is a characteristic pile driving tool.

請求項1の考案は、筒状のハンマー本体の内面には、上方を、重量物(金属)で閉塞し、かつ杭を打撃する錘とし、また、下方を、杭挿入空間として役立つ空洞とした構造であり、そして、ハンマー本体の外面には、作業者が把持する対の把手を、対称に設けることを特徴とした杭打ち具である。   In the first aspect of the invention, on the inner surface of the cylindrical hammer body, the upper part is closed with a heavy object (metal) and the weight hits the pile, and the lower part is a cavity that serves as a pile insertion space. The pile driving tool is characterized in that a pair of grips gripped by an operator are provided symmetrically on the outer surface of the hammer body.

従って、請求項1は、ハンマー本体の上方を錘とし、その下方を空洞とする、二分割構造とすることで、杭の頭部を空洞で捉え、かつ杭に、錘の落下速度と荷重を、確実に、伝達できる特徴がある。そして、この伝達を介して、例えば、錘とハンマー本体による打撃で、杭打ち動作をし、杭打ちスピードの向上と、杭打ちに要する時間短縮と労力軽減化が図れる実益がある。さらに、請求項1は、前記伝達を介して、例えば、複数の杭打ちに、最適な杭打ち具を提供できる特徴がある。   Accordingly, the first aspect of the present invention has a two-part structure in which the upper part of the hammer body is a weight and the lower part is a cavity, so that the head of the pile is captured by the cavity, and the falling speed and load of the weight are applied to the pile. There is a feature that can be transmitted reliably. Through this transmission, for example, there is an actual benefit that a pile driving operation can be performed by striking with a weight and a hammer body to improve the pile driving speed, shorten the time required for pile driving, and reduce labor. Furthermore, claim 1 is characterized in that an optimal pile driving tool can be provided to the plurality of pile driving, for example, through the transmission.

請求項2の考案は、請求項1に記載の杭打ち具であって、
対の把手は、取付部を、空洞の外周に設け、把手を、取付部より放射方向に拡張するとともに、ハンマー本体の下部より延長し、ハンマー本体の長手方向の寸法の、略2倍の寸法を確保することを特徴とした杭打ち具である。
The device of claim 2 is the pile driving tool according to claim 1,
The pair of handles has a mounting portion provided on the outer periphery of the cavity, and the handle extends radially from the mounting portion and extends from the lower portion of the hammer body, approximately twice as long as the longitudinal dimension of the hammer body. It is a pile driving tool characterized by ensuring.

従って、請求項2は、杭打ち具の把手を、ハンマー本体の下部に向かって延設することで、高い杭、段差箇所、又は海苔網用の杭打ちに適する構造となること、背の低い、例えば、子供用等の杭打ち具として利用可能となること、等の特徴を有する。また、請求項2は、錘を下に、把手を上にして、杭押込み用、杭打撃用としての利用も可能とし、汎用性を確保できること等の実益を有する。その他は、前述の請求項1の特徴と実益を有する。   Therefore, the second aspect of the present invention provides a structure suitable for pile driving for a high pile, a stepped portion, or a laver net by extending the handle of the pile driving tool toward the lower portion of the hammer body, and a short height. For example, it can be used as a pile driving tool for children and the like. Further, the second aspect of the present invention has an advantage that it can be used for pushing the pile and hitting the pile with the weight on the bottom and the handle on the top, so that versatility can be secured. Others have the features and benefits of claim 1 above.

請求項3の考案は、請求項1に記載の杭打ち具であって、
対の把手は、その一方の取付部を、錘の外周に設け、他方の取付部を、空洞の外周に設ける構造とし、ハンマー本体の打撃時のぶれ解消を可能とすることを特徴とした杭打ち具である。
The device of claim 3 is the pile driving tool according to claim 1,
A pair of grips has a structure in which one attachment portion is provided on the outer periphery of the weight, and the other attachment portion is provided on the outer periphery of the cavity, and the pile is characterized in that it can eliminate shaking when hitting the hammer body. It is a strike tool.

従って、請求項3は、対の把手の一方の取付部を、錘の外周に設け、他方の取付け部を、前記空洞の外周に設ける構造とし、安定した状態で杭打ち作業ができること、杭を鉛直方向に確実に立設できること、等の特徴を有する。また、錘の長手方向の略真中に、一方の取付部を設けることで、錘を持上げる力を軽減し、スムーズな持上げとともに、打ち下ろし等が図れること、等の実益を有する。また、請求項3は、錘を下に、把手を上にして、杭押込み用、杭打撃用としての利用も可能となり、汎用性が確保できること、等の実益を有する。さらに、請求項3は、把手を横持で、錘を横にし、杭押込み用、杭打撃用としての利用も可能となり、汎用性が確保できること、等の特徴を有する。その他は、前述の請求項1の特徴と実益を有する。   Accordingly, the third aspect of the present invention has a structure in which one attachment portion of the pair of grips is provided on the outer periphery of the weight, and the other attachment portion is provided on the outer periphery of the cavity, and the pile driving work can be performed stably. Features such as being able to stand upright in the vertical direction. In addition, by providing one mounting portion in the middle of the longitudinal direction of the weight, the force for lifting the weight is reduced, and there are benefits such as smooth lifting and downing. Further, the third aspect of the present invention can be used for pushing the pile and hitting the pile with the weight on the lower side and the handle on the upper side. Further, the third aspect of the present invention has features such that the handle can be held sideways, the weight can be placed sideways, and the pile can be used for pushing and hitting the pile, and versatility can be secured. Others have the features and benefits of claim 1 above.

杭打ち具の第一実施例を示した斜視図The perspective view which showed the 1st Example of the pile driving tool 第一実施例の一部欠截の正面図Front view of a partial defect in the first embodiment 第一実施例の俯瞰図Overhead view of the first embodiment 第一実施例のA−A断面図AA sectional view of the first embodiment 第一実施例の杭打ち具で、圃場の植物、実、蔓等の支持用の杭を打ち付ける状態を示した模式図Schematic diagram showing the state of driving piles for supporting plants, fruits, vines, etc. in the field with the pile driving tool of the first embodiment. 第一実施例の杭打ち具で、圃場のネット用の杭を打ち付ける状態を示した模式図The schematic diagram which showed the state which strikes the pile for nets of a farm field with the pile driving tool of a 1st Example 第一実施例の杭打ち具で、海中の海苔用の杭を打ち付ける状態を示した模式図Schematic diagram showing the state where the pile for seaweed is struck with the pile driving tool of the first embodiment 杭打ち具の第二実施例を示した斜視図Perspective view showing a second embodiment of the pile driving tool 第二実施例の一部欠截の正面図Front view of a partial defect in the second embodiment 第二実施例の俯瞰図Overhead view of the second embodiment 第二実施例のA−A断面図AA sectional view of the second embodiment 第二実施例の杭打ち具で、圃場の植物、実、蔓等の支持用の杭を打ち付ける状態を示した模式図The schematic diagram which showed the state which strikes the pile for support, such as a plant of a field, a fruit, and a vine, with the pile driving tool of 2nd Example

第一実施例を、図1〜図7に基づいて説明すると、1は筒状のハンマー本体で、このハンマー本体1は、その上方1aの部位を、重量物(金属)で閉塞することで錘2とし、この錘2は、杭Hを打撃する槌である。また、その下方1bの部位は、ハンマー本体1を構成する周壁1cであり、内部は空洞3である。そして、この空洞3には、杭Pの頭部P1が挿入される空間である。このハンマー本体1の上方1aを錘2とし、その下方1bを空洞3とする、二分割構造とすることで、杭Pの頭部P1を空洞3で捉え、かつ杭Pに、錘2の落下速度と荷重を、確実に、伝達できる特徴がある。尚、前記錘2と空洞3との長手方向Xの寸法関係は、1:3(例えば、120mm:300mm程度とする)の関係とする。これにより、人力で、このハンマー本体1に対する錘2の寸法を調整することで、一般人が、人力で、ハンマー本体1(杭打ち具)を持上げ可能とする。   The first embodiment will be described with reference to FIGS. 1 to 7. Reference numeral 1 denotes a cylindrical hammer body. The hammer body 1 has a weight by closing a portion 1a above it with a heavy object (metal). 2 and the weight 2 is a rod that strikes the pile H. Further, the lower portion 1b is a peripheral wall 1c constituting the hammer body 1, and the inside is a cavity 3. And in this cavity 3, it is the space where the head P1 of the pile P is inserted. By using a two-part structure in which the upper part 1a of the hammer body 1 is a weight 2 and the lower part 1b is a cavity 3, the head P1 of the pile P is captured by the cavity 3, and the weight 2 falls on the pile P. The speed and load can be transmitted reliably. The dimensional relationship in the longitudinal direction X between the weight 2 and the cavity 3 is 1: 3 (for example, about 120 mm: 300 mm). Thus, by adjusting the dimensions of the weight 2 with respect to the hammer main body 1 by human power, a general person can lift the hammer main body 1 (pile hammer) by human power.

また、空洞3の外周3a(周壁1cの外面に相当する)の対称位置には、対の把手5の収れんした取付部500が溶接されている。従って、この把手5は、把手部501が広く、その対の把手5間の寸法は、丁度、人Hの肩寸法H1であって、両手を体の前方、上方等に差出した際に、略その幅寸法で把手できる構造となり、もって、把手5を両手H2で、違和感なく支持できること、杭打ちの疲労が少ないこと、又は長い時間の杭打ちにも有効であり、有益であること、等の特徴がある。尚、この把手5の把手部501を、ハンマー本体1の下部に向かって延設することで、高い杭P、段差箇所、又は海苔網用の杭打ちに適する構造となること、背の低い、例えば、子供用等の杭打ち具として利用可能となること、等の特徴を有する。   In addition, a converged mounting portion 500 of the pair of grips 5 is welded to the symmetrical position of the outer periphery 3a of the cavity 3 (corresponding to the outer surface of the peripheral wall 1c). Therefore, this handle 5 has a wide handle portion 501 and the dimension between the pair of handles 5 is just the shoulder dimension H1 of the person H. It becomes a structure that can be gripped with its width dimension, so that the handle 5 can be supported with both hands H2 without a sense of incongruity, there is little fatigue of pile driving, or it is effective and useful for pile driving for a long time, etc. There are features. In addition, by extending the handle portion 501 of the handle 5 toward the lower portion of the hammer body 1, a structure suitable for pile driving for a high pile P, a stepped portion, or a laver net is obtained. For example, it can be used as a pile driving tool for children and the like.

この第一実施例では、ハンマー本体1に対して、把手5(ハンマー本体1から)の関係は、1:1.5(例えば、420mm:660mm程度とする)の関係とする。これにより、人Hの頭H3より、1200mm(空洞3を含めて、以下同じ)の高さから、図示の如く、人Hの頭H3の高さまで、随意の高さの杭Pの杭打ちに採用可能であり、汎用性がある。尚、図示しないが、錘2は、通常の金槌としての使用もできる。例えば、ハンマー本体1か、又は把手5を支持し、錘2を槌とする。ここで、図5〜図7に示した杭打ち作業では、杭Pの頭部P1を、空洞3に挿入し、把手5を利用し、ハンマー本体1を僅か持上げ、杭Pの頭部P1と錘2との間に空間を形成する。そして、ハンマー本体1の持上げを開放することで、このハンマー本体1と、その錘2並びに把手5の落下荷重で、この杭Pの先端部P2を地中に打込む(差込む)。この打込みで、例えば、杭Pが立設したならば、空洞3内に、杭Pの頭部P1を挿入した状態で、前回と同様に、ハンマー本体1を持上げ、その後、この持上げを開放する。前回と同様に、ハンマー本体1と、その錘2並びに把手5の落下荷重で、杭Pが地中に打込まれる。この持上げと開放とを繰返して、杭Pを地中に立設する。以上の杭打ち作業は、図示の何れの場合でも、同じ作業となることが考えられる。また、空洞3と杭Pとの間には、隙間Aがあり、この隙間Aを介して、衝撃空気と音が排出される。そして、図示した杭打ち作業は一例であり、限定されない。   In this first embodiment, the relation of the handle 5 (from the hammer body 1) to the hammer body 1 is a relationship of 1: 1.5 (for example, about 420 mm: 660 mm). As a result, from the head H3 of the person H to the pile driving of the pile P having an arbitrary height from the height of 1200 mm (including the cavity 3 below) to the height of the head H3 of the person H as shown in the figure. It can be adopted and is versatile. Although not shown, the weight 2 can be used as a normal hammer. For example, the hammer body 1 or the handle 5 is supported, and the weight 2 is used as a hook. Here, in the pile driving operation shown in FIGS. 5 to 7, the head P <b> 1 of the pile P is inserted into the cavity 3, the handle 5 is used, the hammer body 1 is lifted slightly, and the head P <b> 1 of the pile P is A space is formed between the weight 2 and the weight 2. Then, by releasing the lifting of the hammer body 1, the tip portion P2 of the pile P is driven (inserted) into the ground with the drop load of the hammer body 1, its weight 2 and the handle 5. For example, if the pile P is erected by this driving, the hammer body 1 is lifted in the state where the head P1 of the pile P is inserted into the cavity 3 as in the previous time, and then the lifting is released. . Similar to the previous time, the pile P is driven into the ground by the drop load of the hammer body 1 and its weight 2 and handle 5. By repeating this lifting and opening, the pile P is erected in the ground. The above pile driving work is considered to be the same work in any case shown in the figure. Further, there is a gap A between the cavity 3 and the pile P, and impact air and sound are discharged through the gap A. The illustrated pile driving operation is an example and is not limited.

図中Rは杭P間に張装したネット、Sは海中の船を示す。   In the figure, R indicates a net stretched between piles P, and S indicates a ship in the sea.

第二実施例を、図8〜図12に基づいて説明すると、ハンマー本体1と、その構造である上方1aの錘2と、ハンマー本体1の周壁1cで構成される下方1bの空洞3(杭Pの頭部P1が挿入される空間)等は、前記第一実施例に準ずる。尚、前記錘2と空洞3との長手方向Xの寸法関係は、2:3(例えば、200mm:305mm程度とする)の関係とする。これにより、人力で、このハンマー本体1に対する錘2の寸法を調整することで、一般人が、人力で、ハンマー本体1(杭打ち具)を持上げ可能とする。   A second embodiment will be described with reference to FIGS. 8 to 12. A hammer body 1, a weight 2 of an upper part 1 a that is the structure of the hammer body 1, and a cavity 3 (pile of a lower part 1 b composed of a peripheral wall 1 c of the hammer body 1. The space in which the head portion P1 of P is inserted corresponds to the first embodiment. The dimensional relationship in the longitudinal direction X between the weight 2 and the cavity 3 is a relationship of 2: 3 (for example, about 200 mm: 305 mm). Thus, by adjusting the dimensions of the weight 2 with respect to the hammer main body 1 by human power, a general person can lift the hammer main body 1 (pile hammer) by human power.

また、ハンマー本体1の周壁1cの外周1dには、正面視してコ字形の把手5が、対称関係に対で設けられる。この把手5の好ましい取付け(溶接)としては、各図の例である。即ち、把手5の一方の取付部500aは、錘2の外周2aに取付け、また、他方の取付部500bは、空洞3の外周3a(周壁1cの外面に相当する)に取付ける構造とする。これにより、例えば、安定した状態で杭打ち作業ができること、杭Pを鉛直方向に確実に立設できること、等の特徴を有する。また、錘2の長手方向の略真中に、一方の取付部500aを設けることで、錘2を持上げる力を軽減し、スムーズな持上げとともに、打ち下ろし等が図れること、等の実益を有する。   Further, on the outer periphery 1d of the peripheral wall 1c of the hammer body 1, a U-shaped handle 5 in a front view is provided in pairs in a symmetrical relationship. The preferable attachment (welding) of the handle 5 is an example shown in each figure. That is, one attachment portion 500a of the handle 5 is attached to the outer periphery 2a of the weight 2, and the other attachment portion 500b is attached to the outer periphery 3a of the cavity 3 (corresponding to the outer surface of the peripheral wall 1c). Thereby, for example, the pile driving operation can be performed in a stable state, and the pile P can be reliably erected in the vertical direction. Further, by providing one attachment portion 500a in the substantially middle in the longitudinal direction of the weight 2, the force for lifting the weight 2 is reduced, and there are practical benefits such as smooth lifting and lowering.

そして、この把手5の張出し寸法(錘2の外周2aと、空洞3の外周3aからの距離)は、把手部501が広く、丁度、人Hの肩寸法H1であって、両手を体の前方、上方等に差出した際に、略その幅寸法で把手できる構造となり、もって、把手5を両手H2で、違和感なく支持できること、杭打ちの疲労が少ないこと、又は長い時間の杭打ちにも有効であり、有益であること、等の特徴がある。   The overhang dimension of this handle 5 (the distance from the outer periphery 2a of the weight 2 and the outer periphery 3a of the cavity 3) is wide in the handle portion 501, just the shoulder dimension H1 of the person H, and both hands are in front of the body. When it is pushed upward, it has a structure that can be gripped with its width, so that the handle 5 can be supported with both hands H2 without a sense of incongruity, and it is also effective for pile driving for a long time. It has the characteristics of being useful.

この第二実施例では、ハンマー本体1の周壁1cの外周1dに、把手5を設けた構造であるので、原則として、人Hの身長に相当した杭打つ作業に利用することが望ましい。勿論、脚立、台、等の補助具、又は地盤を利用することで、杭Pの高さは変わる。その他は、第一実施例に準ずる。   In this second embodiment, since the handle 5 is provided on the outer periphery 1d of the peripheral wall 1c of the hammer body 1, in principle, it is desirable to use it for a pile driving operation corresponding to the height of the person H. Of course, the height of the pile P changes by using an auxiliary tool such as a stepladder, a stand, or the ground. Others conform to the first embodiment.

ここで、図12に示した杭打ち作業では、杭Pの頭部P1を、空洞3に挿入し、把手5を利用し、ハンマー本体1を肩の近傍まで持上げ、杭Pの頭部P1と錘2との間に空間を形成する。そして、ハンマー本体1の持上げを開放することで、このハンマー本体1と、その錘2並びに把手5の落下荷重で、この杭Pの先端部P2を地中に打込む。この打込みで、例えば、杭Pが立設したならば、空洞3内に、杭Pの頭部P1を挿入した状態で、前回と同様に、ハンマー本体1を持上げ、その後、この持上げを開放する。前回と同様に、ハンマー本体1と、その錘2並びに把手5の落下荷重で、杭Pが地中に打込まれる。この持上げと開放とを繰返して、杭Pを地中に立設する。その他は、各種の杭打ち作業は、第一実施例に準ずる。また、空洞3と杭Pとの間には、隙間Aがあり、この隙間Aを介して、衝撃空気と音が排出される。そして、図示した杭打ち作業は一例であり、限定されない。   Here, in the pile driving operation shown in FIG. 12, the head P1 of the pile P is inserted into the cavity 3, the handle 5 is used, the hammer body 1 is lifted to the vicinity of the shoulder, and the head P1 of the pile P is A space is formed between the weight 2 and the weight 2. Then, by releasing the lifting of the hammer body 1, the tip P2 of the pile P is driven into the ground with the drop load of the hammer body 1, its weight 2 and the handle 5. For example, if the pile P is erected by this driving, the hammer body 1 is lifted in the state where the head P1 of the pile P is inserted into the cavity 3 as in the previous time, and then the lifting is released. . Similar to the previous time, the pile P is driven into the ground by the drop load of the hammer body 1 and its weight 2 and handle 5. By repeating this lifting and opening, the pile P is erected in the ground. Other than that, various pile driving operations are in accordance with the first embodiment. Further, there is a gap A between the cavity 3 and the pile P, and impact air and sound are discharged through the gap A. The illustrated pile driving operation is an example and is not limited.

1 ハンマー本体
1a 上方
1b 下方
1c 周壁
1d 外周
2 錘
2a 外周
3 空洞
3a 外周
5 把手
500 取付部
500a 一方の取付部
500b 他方の取付部
A 隙間
H 人
H1 肩寸法
H2 手
P 杭
P1 頭部
P2 先端部
Q 圃場
R ネット
S 船
H 人
H1 肩寸法
H2 手
1 Hammer body
1a up
1b downward
1c wall
1d outer circumference
2 weights
2a outer circumference
3 cavity
3a outer circumference
5 Handle
500 Mounting part
500a One mounting part
500b The other mounting part
A gap
H people
H1 shoulder dimensions
H2 hand
P pile
P1 head
P2 tip
Q field
R net
S ship
H people
H1 shoulder dimensions
H2 hand

Claims (3)

筒状のハンマー本体の内面には、その上方を、重量物で閉塞し、かつ杭を打撃する錘とし、また、その下方を、杭挿入空間として役立つ空洞とした構造であり、そして、このハンマー本体の外面には、作業者が把持する対の把手を、対称に設けることを特徴とした杭打ち具。   The inner surface of the cylindrical hammer body has a structure in which the upper part is a weight that closes with a heavy object and strikes the pile, and the lower part is a cavity that serves as a pile insertion space. A pile driving tool characterized in that a pair of grips gripped by an operator are provided symmetrically on the outer surface of the main body. 請求項1に記載の杭打ち具であって、
前記対の把手は、その取付部を、前記空洞の外周に設け、その把手を、前記取付部より放射方向に拡張するとともに、ハンマー本体の下部より延長し、このハンマー本体の長手方向の寸法の、略2倍の寸法を確保することを特徴とした杭打ち具。
The pile driving tool according to claim 1,
The pair of handles has an attachment portion provided on the outer periphery of the cavity, and the handle extends radially from the attachment portion and extends from the lower portion of the hammer body. A pile driving tool characterized by securing a dimension approximately twice as large.
請求項1に記載の杭打ち具であって、
前記対の把手は、その一方の取付部を、前記錘の外周に設け、その他方の取付部を、前記空洞の外周に設ける構造とし、ハンマー本体の打撃時のぶれ解消を可能とすることを特徴とした杭打ち具。
The pile driving tool according to claim 1,
The pair of grips has a structure in which one attachment portion is provided on the outer periphery of the weight, and the other attachment portion is provided on the outer periphery of the cavity, so that it is possible to eliminate blurring when the hammer body is hit. Characterized pile driving tool.
JP2010007625U 2010-11-19 2010-11-19 Pile driving tool Expired - Fee Related JP3165743U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20180029030A (en) 2015-07-10 2018-03-19 디에스엠 아이피 어셋츠 비.브이. Food composition for weight management

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20180029030A (en) 2015-07-10 2018-03-19 디에스엠 아이피 어셋츠 비.브이. Food composition for weight management
US11040060B2 (en) 2015-07-10 2021-06-22 Dsm Ip Assets B.V. Food compositions for managing body weight

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