JPH0449247Y2 - - Google Patents
Info
- Publication number
- JPH0449247Y2 JPH0449247Y2 JP11495886U JP11495886U JPH0449247Y2 JP H0449247 Y2 JPH0449247 Y2 JP H0449247Y2 JP 11495886 U JP11495886 U JP 11495886U JP 11495886 U JP11495886 U JP 11495886U JP H0449247 Y2 JPH0449247 Y2 JP H0449247Y2
- Authority
- JP
- Japan
- Prior art keywords
- casing
- cover plate
- opening
- tip
- attached
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 238000010276 construction Methods 0.000 claims description 4
- 239000004576 sand Substances 0.000 claims description 4
- 230000035515 penetration Effects 0.000 description 4
- 239000002689 soil Substances 0.000 description 3
- 239000004035 construction material Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
Landscapes
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Description
【考案の詳細な説明】
（考案が属する技術分野）
本考案は一方向に回転しながら地中に貫入され
る砂杭等造成用ケーシング（以下、ケーシングと
略称する）の先端蓋に関するものである。[Detailed description of the invention] (Technical field to which the invention belongs) The present invention relates to a cap at the tip of a casing for construction of sand piles etc. (hereinafter referred to as casing) which is inserted into the ground while rotating in one direction. .
（考案の課題とその特徴点）
ケーシングの先端蓋の基本的な従来例は、ケー
シングの先端に取り付けられるリング状の基部の
下端に、切線方向のヒンジを介して、３つ割り若
しくは４つ割り円錐形の蓋板を取り付けたもの
で、その各蓋板は真直ぐ垂れ下がつた状態で開く
ようになつているため、これを取り付けたケーシ
ングを一方向に回転させながら地中に貫入すると
き（このようにケーシングを回転させると無騒
音、無振動でケーシングを地中に貫入することが
できる）、土の抵抗は蓋板の表面の切線方向に逃
げて蓋板を自動的に閉じるように作用しないの
で、蓋板の閉鎖に人手を必要とする。(Issues of the invention and its features) The basic conventional example of the end cap of the casing is a ring-shaped base attached to the end of the casing, which is divided into three or four parts through a hinge in the tangential direction at the lower end of the ring-shaped base. It is equipped with a conical cover plate, and each cover plate is designed to hang straight and open, so when the casing with these attached is rotated in one direction while penetrating underground ( By rotating the casing in this way, the casing can be penetrated into the ground without noise or vibration), and the resistance of the soil escapes in the direction of the tangential line on the surface of the cover plate, automatically closing the cover plate. Therefore, manual labor is required to close the lid plate.
なお、前記従来例の基部に蓋板の開きを制限す
るストツパーを取り付けて、ケーシングの地中貫
入時に蓋板が自動的に閉じるようにしたものも知
られているが（実公昭48−23778号公報参照）、こ
れを回転貫入のケーシングに取り付けると、貫入
時に土の抵抗がストツパーに作用するので都合が
悪い。 It is also known that a stopper for restricting the opening of the cover plate is attached to the base of the conventional example so that the cover plate automatically closes when the casing penetrates underground (Utility Model Publication No. 48-23778). (Refer to the publication), if this is attached to the casing of a rotating penetration, it is inconvenient because the resistance of the soil will act on the stopper during penetration.
本考案は、前述の事情に鑑み、地中貫入時にお
けるケーシングの一方向回転により蓋板が自動的
に閉じる簡単な構成の先端蓋を提供することを目
的としているものであつて、その特徴とする構成
は実用新案登録請求の範囲に記載したとおりであ
る。 In view of the above-mentioned circumstances, the present invention aims to provide a tip cover with a simple structure in which the cover plate automatically closes due to unidirectional rotation of the casing during underground penetration. The structure is as described in the claims for utility model registration.
（図面による説明）
第３図において、１は従来の基本的な先端蓋で
あつて、リング状の基部２とその下端に切線方向
のヒンジ３を介して取り付けられた３つ割り円錐
形の蓋板４とから成り、基部２をケーシング５の
先端外側に嵌挿して溶接するようになつている。(Explanation with drawings) In Fig. 3, reference numeral 1 denotes a conventional basic tip lid, which is a ring-shaped base 2 and a three-part conical lid attached to its lower end via a hinge 3 in the tangential direction. The base 2 is fitted onto the outside of the tip of the casing 5 and welded thereto.
ケーシング５は先端蓋１の蓋板４を人手で図示
の閉じた状態にしてから地中に貫入され、貫入中
の適宜段階若しくは地中の所定深度に達した段階
でケーシング５内に砂等の杭構成材が投入され
る。そして、ケーシング５を引き抜くと、蓋板４
は杭構成材の重量で自動的に開き、ケーシング５
の引き抜き跡に杭構成材が充填される。 The casing 5 is penetrated into the ground after the cover plate 4 of the tip cap 1 is manually closed as shown in the figure, and at an appropriate stage during penetration or at a stage when a predetermined depth is reached underground, sand etc. Pile construction materials are introduced. Then, when the casing 5 is pulled out, the cover plate 4
will automatically open due to the weight of the pile components, and the casing 5
The pile material is filled into the area where the pile was pulled out.
本考案の一実施例を示す第１図において、先端
蓋６はリング状の基部７と３つ割り円錐形の蓋板
８とから成り、各蓋板８は正面投影形状が三角形
の固定部９と開閉部１０に分割されている。 In FIG. 1 showing an embodiment of the present invention, the tip end cap 6 is made up of a ring-shaped base 7 and a triangular cone-shaped cap plate 8, each of which has a fixing portion 9 having a triangular shape in front projection. and an opening/closing section 10.
基部７が従来例の基部２と同じ態様で取り付け
られるケーシング１１は一方向に回転しながら地
中に貫入されるが、固定部９と開閉部１０の分割
線はケーシング１１の回転方向（図示の場合は時
計方向）に下向きに傾斜しており、この分割線に
沿つて固定部９と開閉部１０を繋ぐヒンジ１２が
設けられている。 The casing 11, in which the base 7 is attached in the same manner as the base 2 of the conventional example, is penetrated into the ground while rotating in one direction. A hinge 12 is provided along this dividing line to connect the fixing part 9 and the opening/closing part 10.
ケーシング１１を地上において吊り下げたと
き、開閉部１０は自重で開いて第２図に断面で示
す状態になる。したがつて、ケーシング１１を、
矢印Ａ方向に回転させながら、ゆつくり地上に降
ろしてゆくと、表面に作用する土の抵抗で開閉部
１０は自動的に閉じる。 When the casing 11 is suspended on the ground, the opening/closing part 10 opens under its own weight and enters the state shown in cross section in FIG. 2. Therefore, the casing 11 is
When it is slowly lowered to the ground while rotating in the direction of arrow A, the opening/closing part 10 automatically closes due to the resistance of the soil acting on the surface.
（考案の効果）
本考案品は以上のようなものであつて、これを
取り付けたケーシングを一方向に回転させながら
地中に貫入するときに開閉弁が自動的に閉じるの
で、危険を伴う蓋閉じの作業が不要となつて、砂
杭等造成作業を安全かつ能率良く遂行でき、しか
も、構成が比較的簡単で、製作費もさほど掛らな
いので、この面でも経済的である。(Effect of the invention) The product of this invention is as described above, and when the casing to which it is attached is rotated in one direction and penetrates into the ground, the on-off valve automatically closes, which creates a dangerous lid. Since there is no need for closing work, sand pile construction work can be carried out safely and efficiently.Moreover, the construction is relatively simple and the manufacturing cost is not so high, so it is economical in this respect as well.
第１図は本考案の一実施例の開閉部が閉じた状
態の側面図、第２図は開閉部の開いた時の拡大水
平断面図、第３図は従来品の第１図と同じ側面図
である。
６……先端蓋、７……基部、８……蓋板、９…
…固定部、１０……開閉部、１１……ケーシン
グ、１２……ヒンジ。
Figure 1 is a side view of an embodiment of the present invention with the opening/closing part closed, Figure 2 is an enlarged horizontal sectional view of the opening/closing part when it is open, and Figure 3 is the same side view of the conventional product as in Figure 1. It is a diagram. 6... Tip lid, 7... Base, 8... Lid plate, 9...
...fixing part, 10...opening/closing part, 11...casing, 12...hinge.
Claims (1)
ングの先端に取り付けられるリング状の基部と、
該基部から下方に延びる３つ割り若しくは４つ割
り円錐形の蓋板とから成り、各蓋板は正面投影形
状が三角形の固定部と開閉部に分割されており、
開閉部は、ケーシングの回転方向に下向きに傾斜
している分割線に沿つて設けたヒンジを介して、
固定部に取り付けられていることを特徴とする砂
杭等造成用ケーシングの先端蓋。 a ring-shaped base attached to the tip of the casing that penetrates into the ground while rotating in one direction;
It consists of a three-split or four-split conical cover plate extending downward from the base, and each cover plate is divided into a fixing part and an opening/closing part having a triangular shape in front projection,
The opening/closing part is opened and closed via a hinge provided along a dividing line that slopes downward in the direction of rotation of the casing.
A tip lid of a casing for construction of sand piles, etc., characterized in that it is attached to a fixed part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11495886U JPH0449247Y2 (en) | 1986-07-26 | 1986-07-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11495886U JPH0449247Y2 (en) | 1986-07-26 | 1986-07-26 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6323330U JPS6323330U (en) | 1988-02-16 |
| JPH0449247Y2 true JPH0449247Y2 (en) | 1992-11-19 |
Family
ID=30998169
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11495886U Expired JPH0449247Y2 (en) | 1986-07-26 | 1986-07-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0449247Y2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5873309B2 (en) * | 2011-11-25 | 2016-03-01 | 株式会社不動テトラ | Press-in pile method with desaturation function and construction equipment used in the method |
-
1986
- 1986-07-26 JP JP11495886U patent/JPH0449247Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6323330U (en) | 1988-02-16 |
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