JP2504588Y2 - Gear member for jack base - Google Patents
Gear member for jack baseInfo
- Publication number
- JP2504588Y2 JP2504588Y2 JP1989092148U JP9214889U JP2504588Y2 JP 2504588 Y2 JP2504588 Y2 JP 2504588Y2 JP 1989092148 U JP1989092148 U JP 1989092148U JP 9214889 U JP9214889 U JP 9214889U JP 2504588 Y2 JP2504588 Y2 JP 2504588Y2
- Authority
- JP
- Japan
- Prior art keywords
- jack base
- jack
- base
- plate
- wedge
- 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 - Lifetime
Links
Landscapes
- Working Measures On Existing Buildindgs (AREA)
- Installation Of Indoor Wiring (AREA)
Description
【考案の詳細な説明】 《産業上の利用分野》 本考案は、例えば、勾配した地における枠組足場の設
置を容易にするジャッキベース用沓部材に関する。DETAILED DESCRIPTION OF THE INVENTION << Industrial Application Field >> The present invention relates to a jack base gear member that facilitates installation of a frame scaffold, for example, on a sloped ground.
《考案の背景》 一般に、枠組足場は安全の目的から水平にセットする
必要がある。《Background of the device》 Generally, it is necessary to set the frame scaffold horizontally for the purpose of safety.
例えば、建物側と非建物側との下地の高さが異なる地
点に通常の枠組足場を設置すると、足場が傾斜してしま
う。従って、足場を水平にすべく以下のような対策が講
じられている。For example, if a normal frame scaffold is installed at a point where the height of the ground is different between the building side and the non-building side, the scaffold will be inclined. Therefore, the following measures are taken to level the scaffolding.
第６図に示す対策は、ジャッキベースを用いて緩やか
な勾配下地に枠組を水平に設置する場合である。The countermeasure shown in FIG. 6 is a case where the framework is installed horizontally on a gently sloping foundation using a jack base.
同図において、下地21aは建物22から外側に向かって
低くなっており、枠組足場23の建物22側の足にはジャッ
キベース24が建物22と反対側（以下、非建物側）の足に
はジャッキベース25がそれぞれ取り付けられている。In the figure, the ground 21a is lowered from the building 22 toward the outside, and the jack base 24 is provided on the foot on the side of the building 22 of the frame scaffolding 23 on the side opposite to the building 22 (hereinafter, the non-building side). Each jack base 25 is attached.
この場合、ジャッキベース25の動作量L2をジャッキベ
ース24の動作量L1より大きくすることにより枠組足場23
を水平に保っている。しかし、この方式ではジャッキベ
ース24,25の下面が地下と面接触できず、不安定とな
る。In this case, by setting the movement amount L2 of the jack base 25 to be larger than the movement amount L1 of the jack base 24, the frame scaffolding 23
Is kept horizontal. However, in this method, the lower surfaces of the jack bases 24 and 25 cannot be in surface contact with the underground, and become unstable.
そして、下地の勾配が急である場合には、上記不安定
の問題が顕著になるばかりか、両ジャッキベース24,25
の下端の高さ方向の位置の差が大きくなり上記のジャッ
キベース24,25の動作量L1,L2による調節では不十分であ
るため、第７図および第８図に示す対策が講じられる。When the ground is steep, not only the above instability problem becomes noticeable but also the two jack bases 24, 25
Since the difference in position in the height direction of the lower end of the above is large and the adjustment by the operation amounts L1 and L2 of the jack bases 24 and 25 is not sufficient, the measures shown in FIGS. 7 and 8 are taken.
第７図は枠組足場23を急勾配の下地21bに水平に設置
するために、枠組足場23の非建物側の足に取り付けられ
たジャッキベース25の下に所謂かいもの26を設ける場合
である。ここで、上記のジャッキベース24及びかいもの
26の下部には、枠組足場23からの地からを下地21bに分
散させるための楔状部材27及び28がそれぞれ配置されて
いる。FIG. 7 shows a case where a so-called paddle 26 is provided below the jack base 25 attached to the foot on the non-building side of the frame scaffold 23 in order to horizontally install the frame scaffold 23 on the steeply laid base 21b. Here, the above-mentioned jack base 24 and paddle
Wedge-shaped members 27 and 28 for dispersing the ground from the frame scaffold 23 on the base 21b are arranged at the lower part of 26, respectively.
また、第８図は枠組足場23の非建物側の足に継ぎ足し
パイプ29を連結し、枠組足場23を水平にする場合を示し
ている。ここで、枠組足場23の上記足と、継ぎ足しパイ
プ29の強固な連結は、ジョイント30によって確保されて
いる。Further, FIG. 8 shows a case where the frame scaffolding 23 is made horizontal by connecting the pipe 29 to the foot on the non-building side of the frame scaffolding 23. Here, a strong connection between the foot of the frame scaffold 23 and the additional pipe 29 is secured by the joint 30.
しかし、従来、第７図に示すかいもの26を用いる手段
では、かいもの26とジャッキベース25との連結は不完全
となり易く、この結果枠組足場23の倒壊等が生じ易く、
かいもの26の設置に時間を要する。However, conventionally, with the means using the paddle 26 shown in FIG. 7, the connection between the paddle 26 and the jack base 25 is likely to be incomplete, and as a result, the frame scaffolding 23 is likely to collapse,
It takes time to install the paddle 26.
また、第８図に示す継ぎ足しパイプ29を用いる手段で
は、実質上ジョイント30の重量分だけ、枠組足場23の重
量が増える他、継ぎ足しパイプ29の連結作業に時間がか
かるという不都合がある。Further, in the means using the extension pipe 29 shown in FIG. 8, the weight of the framework scaffolding 23 is increased substantially by the weight of the joint 30, and in addition, it takes time to connect the extension pipe 29.
これらの不都合を解消するため、先に実公昭59-17384
0号において仮設足場用支柱のジャッキが提案された。In order to eliminate these inconveniences, we have first published the official report, Shoko 59-17384.
No. 0 proposed a jack for temporary scaffolding columns.
すなわち、第９図に示すように、この提案の仮設足場
用支柱のジャッキ40は、平面略Ｕ字状の起立板41aが設
けられた座板41と、ネジ軸42と、このネジ軸42と座板41
の起立板41aとを連結するピン43と、上記ネジ軸42に嵌
まり合うと共に枠組足場の足44の下端に接して足44を上
下動させるハンドル付の雌ネジ体45とから構成されてい
る。That is, as shown in FIG. 9, the jack 40 of the proposed temporary scaffolding post includes a seat plate 41 provided with an upright plate 41a having a substantially U-shaped plane, a screw shaft 42, and the screw shaft 42. Seat plate 41
And a pin 43 for connecting the upright plate 41a with each other, and a female screw body 45 with a handle that fits on the screw shaft 42 and moves vertically by contacting the lower end of the foot 44 of the frame scaffolding. .
このジャッキ40を用いれば、勾配下地に座板41が密着
するため、前記不都合を解消できるが、ピン43が枠組足
場の大重量を支持するため、ピン43が折れ易いという問
題がある。If this jack 40 is used, the seat plate 41 will be in close contact with the sloped foundation, so that the above inconvenience can be solved, but since the pin 43 supports the heavy weight of the framework scaffold, there is a problem that the pin 43 is easily broken.
更に、勾配下地に枠組足場を設置するケースはまれで
あり、このようなケースに備えて、別途上記提案に係る
構成のジャッキ40を常備しておくことは、保管スペース
の問題や、防錆等のため保守点検上問題がある。Furthermore, it is rare to install a frame scaffold on a sloped foundation, and in preparation for such a case, it is necessary to always have the jack 40 having the configuration according to the above proposal separately, because of problems of storage space, rust prevention, etc. Therefore, there is a problem in maintenance and inspection.
本考案は上記問題点に鑑みてなされたもので、その目
的とするところは、設置に時間がかからず、保管スペー
スをとらずにすみ、かつ保守点検の容易な勾配下地にジ
ャッキベース用沓部材を提供することにある。The present invention has been made in view of the above problems, and its purpose is to reduce the time required for installation, save the storage space, and make it easy to perform maintenance and inspection on a sloped base for a jack base. It is to provide a member.
《課題を解決するための手段》 本考案は上記目的を達成するために、挾角を任意にし
得る蝶番状に連結された一対のプレート部材であって、
前記両プレート部材の一方にはジャッキベースの下端部
との連結手段を有し、他方には下地との密着手段を有す
ると共に、前記両プレート部材間に介在された任意の楔
角を有する楔状パッキンを固定する手段を有することを
特徴とする。<Means for Solving the Problems> In order to achieve the above-mentioned object, the present invention is a pair of hinge-shaped plate members that can have an arbitrary included angle,
One of the plate members has a connecting means with the lower end of the jack base, and the other has a contact means with the base, and a wedge-shaped packing having an arbitrary wedge angle interposed between the plate members. It is characterized by having a means for fixing.
《作用》 本考案では下地の勾配（傾斜角）に合致する楔角を有
する楔状パッキンが、蝶番状に連結された一対のプレー
ト部材間に介在され、固定手段により固定される。<< Operation >> In the present invention, a wedge-shaped packing having a wedge angle that matches the slope (tilt angle) of the base is interposed between a pair of hinge-shaped plate members and is fixed by a fixing means.
そして、プレート部材の一方は連結手段によりジャッ
キベースの下端部と連結され、プレート部材の他方は密
着手段により下地に固定される。Then, one of the plate members is connected to the lower end of the jack base by the connecting means, and the other of the plate members is fixed to the base by the contact means.
これにより、ジャッキベースは鉛直方向に配置される
ことになる。As a result, the jack base is arranged in the vertical direction.
《実施例》 第１図は本考案に係るジャッキベース用沓部材の一実
施例を示す説明図である。<< Embodiment >> FIG. 1 is an explanatory view showing an embodiment of a gear member for a jack base according to the present invention.
同図においては、一対のプレート部材1,5は、各プレ
ート部材1,5の一端に設けられた２つのヒンジ7a,7bによ
り蝶番状に連結されている。In the figure, the pair of plate members 1 and 5 are hingedly connected by two hinges 7a and 7b provided at one end of each plate member 1 and 5, respectively.
そして、プレート部材１の四隅にはジャッキベース下
端部との連結を図るジャッキベース取付ボルト3a〜3dが
設けられている。また、プレート部材１のヒンジ7a,7b
に対向する端部にはＵ字状切欠部2aを有する突片２が一
体的に設けられている。Then, at four corners of the plate member 1, jack base mounting bolts 3a to 3d for connecting with the lower end of the jack base are provided. Also, the hinges 7a, 7b of the plate member 1
A projecting piece 2 having a U-shaped cutout portion 2a is integrally provided at the end portion opposed to.
一方、プレート部材５の四隅には、下地との密着手段
としての釘穴6a〜6d（6dは図面には表われていない）が
穿設されている。また、このプレート部材５のヒンジ7
a,7bに対向する端部にはヒンジ7cが設けられており、こ
のヒンジには先端部にネジが切られたボルト８が揺動自
在に取付けられている。On the other hand, nail holes 6a to 6d (6d is not shown in the drawing) are provided at the four corners of the plate member 5 as means for adhering to the base. In addition, the hinge 7 of the plate member 5
A hinge 7c is provided at an end portion opposite to a and 7b, and a bolt 8 having a threaded end portion is swingably attached to the hinge 7c.
このボルト８は前記Ｕ字状突片２の切欠部2aに嵌ま
り、ナット９を回すことにより、両プレート1,5のなす
角を狭め両プレート1,5間に介在する第２図に示すよう
な楔状のパッキン10をややしめつけ状態で固定すること
ができる。なお、このパッキン10はプラスチック等適宜
の材質により製造され、パッキン10の楔角θは任意のも
のが用いられる。The bolt 8 is fitted in the notch 2a of the U-shaped protrusion 2 and the nut 9 is turned to narrow the angle formed by the plates 1 and 5, and the bolt 8 is interposed between the plates 1 and 5, as shown in FIG. Such a wedge-shaped packing 10 can be fixed in a slightly tightened state. The packing 10 is made of an appropriate material such as plastic, and the packing 10 has an arbitrary wedge angle θ.
以上のように構成される本実施例に係るジャッキベー
ス用沓部材は、例えば第３図（Ａ），（Ｂ）に示す態様
で使用される。The jack base gear member according to the present embodiment configured as described above is used, for example, in a mode shown in FIGS. 3 (A) and 3 (B).
すなわち、急勾配の下地21bの枠組足場23の接地部に
は足場板11が敷かれており、この足場板11には沓部材の
ヒンジ7a,7bが下地21の上方に位置し、かつプレート５
が足場板11に面接触するように配置してある。That is, the scaffolding board 11 is laid on the ground contact portion of the frame scaffolding 23 of the steeply sloping foundation 21b, and the hinges 7a and 7b of the shoe members are located above the foundation 21 and the plate 5 is placed on the scaffolding board 11.
Are arranged so as to make surface contact with the scaffolding plate 11.
ここで、プレート５と足場板11とはプレート５に設け
た釘穴6a〜6dに打ち付けた釘により密着・結合される。Here, the plate 5 and the scaffolding plate 11 are brought into close contact with and joined to each other by nails that are driven into the nail holes 6a to 6d provided in the plate 5.
また、プレート部材1,5間には、下地21の勾配角略と
同一楔角を有する楔状パッキン10が介在され、この楔状
パッキン10は前記の突片２の切欠部2aに嵌め込まれたボ
ルト８とナット９によりプレート部材1,5の間から外れ
ないように固定されている。A wedge-shaped packing 10 having the same wedge angle as the inclination angle of the base 21 is interposed between the plate members 1 and 5, and the wedge-shaped packing 10 is fitted into the cutout portion 2a of the projecting piece 2 with the bolt 8. It is fixed by a nut 9 so as not to come off between the plate members 1 and 5.
そして、ジャッキベース沓部材の上部には、前記プレ
ート部材１のジャッキベース取付ボルト3a〜3dの位置に
孔4a〜4dがあけられた下板13（第４図参照）を有するジ
ャッキベース12が設けられている。この下板13とプレー
ト部材１とはジャッキベース取付ボルト3a〜3dとナット
5a〜5dにより係合される。A jack base 12 having a lower plate 13 (see FIG. 4) having holes 4a to 4d formed at the positions of the jack base mounting bolts 3a to 3d of the plate member 1 is provided on the upper surface of the jack base gear member. Has been. The lower plate 13 and the plate member 1 are jack base mounting bolts 3a to 3d and nuts.
Engaged by 5a-5d.
上記のように、本考案に係るジャッキベース用沓部材
を枠組足場23のジャッキベース12に適用すれば、勾配下
地においてもその下地と面接触し、大重量に耐え得る枠
組足場23を実現できる。As described above, when the jack base truss member according to the present invention is applied to the jack base 12 of the frame scaffold 23, the frame scaffold 23 capable of withstanding a large weight can be realized even in the case of a sloped ground surface contacting the ground surface.
また、楔角の異なる楔状パッキン10を多数用意してお
き、下地21の勾配に合せて最適角のパッキン10を用いる
こともできるし、複数個のパッキン10を組み合わせて用
いることもできる。Further, it is possible to prepare a large number of wedge-shaped packings 10 having different wedge angles and use the packing 10 having the optimum angle according to the gradient of the base 21, or it is possible to use a plurality of packings 10 in combination.
なお、本実施例では下地21とプレート部材５との密着
を釘穴6a〜6dに釘を打つことにより行なったが、プレー
ト部材５の下面にゴムラバー等の滑り止めを設けて下地
21とプレート部材５との密着を図ってもよい。In this embodiment, the base 21 and the plate member 5 are adhered to each other by hammering nails into the nail holes 6a to 6d. However, the bottom surface of the plate member 5 is provided with a non-slip material such as rubber rubber.
The 21 and the plate member 5 may be in close contact with each other.
また、上記実施例では、楔状パッキン10がプレート部
材1,5の間から外れないようにするため、突片２とこの
突片２に嵌め込まれるボルト８及びナット９とを用いた
が、第５図に示すように、プレート部材１及び５のヒン
ジ7a,7bに対向する端部にＬ字状の折曲部18,19を設けて
もよい。In addition, in the above-mentioned embodiment, in order to prevent the wedge-shaped packing 10 from coming off between the plate members 1 and 5, the projecting piece 2 and the bolt 8 and the nut 9 fitted into this projecting piece 2 are used. As shown in the figure, L-shaped bent portions 18 and 19 may be provided at the ends of the plate members 1 and 5 facing the hinges 7a and 7b.
更に、両プレート部材1,5の内面に複数の錨を設け、
この錨を楔状パッキン10にスパイクさせて楔状パッキン
10を固定するようにしてもよい。Furthermore, a plurality of anchors are provided on the inner surfaces of both plate members 1 and 5,
This anchor is spiked into wedge-shaped packing 10 and wedge-shaped packing
10 may be fixed.
《考案の効果》 以上詳述したように、本考案に係るジャッキベース用
沓部材を用いれば、設置が面倒でしかも倒壊の危険にあ
る所謂かいものを用いることなしに、簡易かつ安全にジ
ャッキベースを鉛直に設置することができる。<Effect of device> As described in detail above, by using the jack base shoe member according to the present invention, the jack base can be easily and safely installed without using a so-called paddle that is troublesome to install and risk of collapse. Can be installed vertically.
また、本考案に係るジャッキベース用沓部材はジャッ
キベースとの着脱が容易であるので、従来のネジ軸と下
板とをピンで係止するタイプのジャッキが有していた保
管スペース及び保守点検上の不都合を解消できる。Further, since the jack base sinker according to the present invention can be easily attached to and detached from the jack base, the storage space and maintenance inspection that the conventional jack type that locks the screw shaft and the lower plate with a pin is provided. The above inconvenience can be eliminated.
また、上記タイプのジャッキが有していたピン折れ等
の不都合もないので、例えば、枠組足場のジャッキベー
スに本考案に係るジャッキベース用沓部材を適用すれ
ば、枠組足場として特に軽量のものを用いる必要もな
い。Also, since there is no inconvenience such as pin breakage that the jacks of the above type have, for example, if the jack base shoe member according to the present invention is applied to the jack base of the frame scaffold, a particularly lightweight frame scaffold can be obtained. There is no need to use it.
第１図は本考案に係るジャッキベース用沓部材の一実施
例を示す説明図、第２図は第１図のジャッキベース用沓
部材の両プレート間に介在させる楔状パッキンの一例を
示す説明図、第３図は第１図に示すジャッキベース用沓
部材の使用例を示す説明図、第４図は第１図に示すジャ
ッキベース用沓部材が取り付けられるジャッキベースの
一例を示す説明図、第５図は本考案に係るジャッキベー
ス用沓部材の他の実施例を示す説明図、第６図〜第８図
は枠組足場を設置する際に従来用いられていた技術を示
す説明図、第９図は従来の仮設足場用支柱のジャッキを
示す説明図である。 1,5……プレート部材 3a〜3d……連結手段 6a〜6d……密着手段 2,8,9,18,19……固定手段FIG. 1 is an explanatory view showing an embodiment of a jack base gear member according to the present invention, and FIG. 2 is an explanatory view showing an example of a wedge-shaped packing interposed between both plates of the jack base gear member of FIG. FIG. 3 is an explanatory view showing an example of use of the jack base shoe member shown in FIG. 1, and FIG. 4 is an explanatory view showing an example of a jack base to which the jack base shoe member shown in FIG. 1 is attached. FIG. 5 is an explanatory view showing another embodiment of the jack base gear member according to the present invention, and FIGS. 6 to 8 are explanatory views showing a technique conventionally used when installing a frame scaffold, and FIG. The figure is an explanatory view showing a conventional jack for a temporary scaffolding column. 1,5 ...... Plate members 3a to 3d ...... Coupling means 6a to 6d ...... Adhesion means 2,8,9,18,19 ...... Fixing means
Claims (1)
対のプレート部材であって、前記両プレート部材の一方
にはジャッキベースの下端部との連結手段を有し、他方
には下地との密着手段を有すると共に、前記両プレート
部材間に介在された任意の楔角を有する楔状パッキンを
固定する手段を有することを特徴とするジャッキベース
用沓部材。1. A pair of plate members connected to each other in a hinge shape having an arbitrary included angle, wherein one of the plate members has a connecting means with a lower end portion of a jack base, and the other has a base. And a means for fixing a wedge-shaped packing having an arbitrary wedge angle interposed between the plate members, and a gear member for a jack base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989092148U JP2504588Y2 (en) | 1989-08-07 | 1989-08-07 | Gear member for jack base |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989092148U JP2504588Y2 (en) | 1989-08-07 | 1989-08-07 | Gear member for jack base |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0331649U JPH0331649U (en) | 1991-03-27 |
| JP2504588Y2 true JP2504588Y2 (en) | 1996-07-10 |
Family
ID=31641589
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989092148U Expired - Lifetime JP2504588Y2 (en) | 1989-08-07 | 1989-08-07 | Gear member for jack base |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2504588Y2 (en) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4526188Y1 (en) * | 1966-02-09 | 1970-10-13 | ||
| JPS63129048U (en) * | 1987-02-16 | 1988-08-24 |
-
1989
- 1989-08-07 JP JP1989092148U patent/JP2504588Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0331649U (en) | 1991-03-27 |
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