JP3609055B2 - Rack cover fixing structure - Google Patents

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JP3609055B2
JP3609055B2 JP2002022084A JP2002022084A JP3609055B2 JP 3609055 B2 JP3609055 B2 JP 3609055B2 JP 2002022084 A JP2002022084 A JP 2002022084A JP 2002022084 A JP2002022084 A JP 2002022084A JP 3609055 B2 JP3609055 B2 JP 3609055B2
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rack cover
rack
parent
cover fixing
bent edge
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JP2003230211A (en
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慶一 菅谷
克彦 今泉
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株式会社ブレスト工業研究所
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【0001】
【産業上の利用分野】
本発明はラックにラックカバーを固定するラックカバーの固定構造に関する。
【0002】
【従来の技術】
例えば、ケーブル、配管、冷媒管などの長尺物を、建造物などの内部あるいは屋上、屋外などに配線・配管するために、図4に示すように2本の互いに平行な親桁1、1間を複数の一定間隔の子桁2で連結して成るラック3を設置し(子桁2の両端の下面が2本の親桁1、1の下端の折曲げ縁板1a、1aの上面に溶接などで固定されている。)、ラック3の複数の子桁2の上にケーブル、配管、冷媒管などの長尺物(図示せず)を配線・配管することが行なわれている。そして、ラック3内に埃りがはいらないように、また、特にラック3が屋上や屋外に設置されている場合、風雨の影響を受けないように、ラックカバー4をラック3の親桁1、1の上に取付けている。
【0003】
しかして、ラックカバー4を取付けるには、従来では、図4、5に示すように、下端に係止部11を備えた帯板状のラックカバー固定用金具10を用いて、ラックカバー4の取付穴4aの真下の位置で親桁1の外側から親桁1の下端の折曲げ縁板1aの先端側に、下側から金具10の係止部11の先端の係止爪11bを上側にいれて外側に外れないように係止させ、ラックカバー4の取付穴4aに上側から挿通したボルト20を金具10の上端部の折返し片12のネジ穴12aに螺着し締め付けることによって固定している。ラックカバー4の両側縁部には、一定間隔で取付け穴4aが設けられていて、各取付け穴4aごとに同様の締付けをしてラックカバー4をラック3の上面に固定している。
【0004】
【発明が解決しようとする課題】
しかしながら、この方法ではラックカバー4の取付穴4aが子桁2の真上の位置にくると、図5のように金具10の係止部11の係止爪11aを親桁1の下端の折曲げ縁板1aの先端側にいれて係止させることが、子桁2が邪魔になってできないので、金具10を使用できないという不都合があった。
【0005】
また、ラック3を屋内に設置する場合、天井からの吊りボルトで支持したサポート材(図示せず)でラック3を下側から支持する場合があるが、この場合にも、ラックカバー4の取付穴4aがサポート材の真上の位置にくると、同様に金具10の係止部11aの係止爪11aを親桁1の下端の折曲げ縁板1aの先端に係止できないので、金具10を使用できないという不都合があった。
【0006】
また、ラック3を屋上や屋外で設置する場合、図1に示すように、架台6(図1参照)でラック3を支持することが多いが、この場合にも、ラックカバー4の取付穴4aが架台6の真上の位置にくると、同じく金具10を使用できないという不都合があった。
【0007】
このため、ラックカバーの取付け穴4aの位置が子桁や前記サポート材や前記架台の位置に一致する場合には、施工現場でこれらの障害物を避けて別の位置に新たに穴をドリルであけて金具10を用いて締付け固定していた。
【0008】
しかし、このように施工現場で新たに穴あけ作業をするのは大変手間がかかり、また見栄えの問題から、使用しなくなった取付け穴4aはコーキングなどで埋めなければならず、大変煩雑で時間がかかっていた。
【0009】
本発明はこのような問題を解決し、ラックカバーの取付け穴が前記したように子桁やサポート材や架台の位置にきた場合でも前記金具を用いて支障なく締付け固定できるようにしたラックカバーの固定構造を提供することを目的としている。
【0010】
前記目的を達成するために、本発明の請求項1のラックカバーの固定構造では、
上端及び下端に互いに接近する方向に折曲げられた折曲げ縁板を備えた互いに平行な一対の親桁と、前記一対の親桁の下端の前記折曲げ縁板の上面に両端下面が接触した状態で、前記一対の親桁間を連結する複数の子桁とから成るラックの、前記一対の親桁の上端の前記折曲げ縁板の上面に接触した状態でラックカバーを被せ、前記上端の折曲げ縁板より外側に位置するように設けられた前記ラックカバーの取付け穴を用いて、前記ラックカバーを前記親桁の上端側に固定するラックカバーの固定構造において、
水平方向へ突出した水平板部と前記親桁の下端の折り曲げ縁板の内側先端に係止するために該水平板部の先端から上向きに突設された係止爪片とを有する係止部と、前記水平板部から上方へ垂直方向に延設された垂直部と、前記垂直部の上端から前記垂直部に関して前記係止部と反対面側の斜め上方向に張出した張出し部を有する基板部と、前記張出し部の上端から前記垂直部に関して前記係止部側へ水平方向に延設され先端近傍にボルトを固定するためのボルト穴を有する折返し片とを備えた2個のラックカバー固定用金具と、
ラックカバーの取付け穴に上側から挿通されたボルトの先端が挿通固定されるカバー固定用穴と、該カバー固定用穴を挟んで一直線上に複数の金具固定用穴が設けられた帯板状の連結板とを用いて、
前記連結板の前記カバー固定用穴を挟んだ両側の2個の前記金具固定用穴に上側から挿通したボルトを、2個の前記ラックカバー固定用金具の前記各折り返し片の前記ボルト穴でそれぞれ締付けて前記各ラックカバー固定用金具を前記連結板に固定し、
前記各ラックカバー固定用金具を親桁の外面側に位置させ、前記各ラックカバー固定用金具の下端の前記係止部の前記水平部を、親桁の下端の折曲げ縁板の下面に当てがって前記係止爪を親桁の下端の折曲げ縁部の内側先端に係止させると共に、ラックカバーの取付け穴に上側から挿通したボルトを前記連結板の前記カバー固定用穴で締付けてラックカバーの下部に前記連結板を固定して、前記親桁の上端に被せられたラックカバーを親桁に固定するようにしたことを特徴としている。
また、本発明の請求項2のラックカバーの固定構造では、
上端及び下端に互いに接近する方向に折曲げられた折曲げ縁板を備えた互いに平行な一対の親桁と、前記一対の親桁の下端の前記折曲げ縁板の上面に両端下面が接触した状態で、前記一対の親桁間を連結する複数の子桁とから成るラックの、前記一対の親桁の上端の前記折曲げ縁板の上面に接触した状態でラックカバーを被せ、前記上端の折曲げ縁板より外側に位置するように設けられた前記ラックカバーの取付け穴を用いて、前記ラックカバーを前記親桁の上端側に固定するラックカバーの固定構造において、
水平方向へ突出した水平板部と前記親桁の下端の折り曲げ縁板の内側先端に係止するために該水平板部の先端から上向きに突設された係止爪片とを有する係止部と、前記水平板部から上方へ前記係止爪から離れる斜め上方向に張出した張出し部と、前記張出し部の上端から前記水平板部に対して垂直に上方へ延設された垂直部を有する基板部と、前記垂直部の上端から前記垂直部に関して前記係止部側へ水平方向に延設され先端近傍にボルトを固定するためのボルト穴を有する折返し片とを備えた2個のラックカバー固定用金具と、
ラックカバーの取付け穴に上側から挿通されたボルトの先端が挿通固定されるカバー固定用穴と、該カバー固定用穴を挟んで一直線上に複数の金具固定用穴が設けられた帯板状の連結板とを用いて、
前記連結板の前記カバー固定用穴を挟んだ両側の2個の前記金具固定用穴に上側から挿通したボルトを、2個の前記ラックカバー固定用金具の前記各折り返し片の前記ボルト穴でそれぞれ締付けて前記各ラックカバー固定用金具を前記連結板に固定し、
前記各ラックカバー固定用金具を親桁の外面側に位置させ、前記各ラックカバー固定用金具の下端の前記係止部の前記水平部を、親桁の下端の折曲げ縁板の下面に当てがって前記係止爪を親桁の下端の折曲げ縁部の内側先端に係止させると共に、ラックカバーの取付け穴に上側から挿通したボルトを前記連結板の前記カバー固定用穴で締付けてラックカバーの下部に前記連結板を固定して、前記親桁の上端に被せられたラックカバーを親桁に固 定するようにしたことを特徴としている。
【0011】
このようにしたため、ラックカバーの取付け穴において前記連結板を固定し、ラックカバーの取付け穴から離れた両側にある前記連結板の複数の前記金具固定用穴において、前記ラックカバー固定用金具をそれぞれ固定することによって、ラックカバーの取付け穴が前記したように子桁やサポート材や架台の位置にきた場合でも、ラックカバーを支障なく親桁に固定できる。
【0012】
【発明の実施の形態】
以下、図面に基づいて本発明の実施の形態を説明する。
図1は本発明の一実施形態によるラックカバーの固定構造を示している。
本発明のラックカバーの固定構造では、図2に示すように連結板30と2つのラックカバー固定用金具10(図4、5で示したものと同じ)を用いる。
【0013】
連結板30は、中央のラックカバーの取付け穴4aに上側から挿通されたボルト20の先端が挿通固定されるカバー固定用穴(ネジ穴)31と、この中央のカバー固定用穴31を挟んだ左右に一直線上に少なくとも2個ずつの金具固定用穴32が設けられた帯板状の基板33を備えている。この基板33の幅方向の一端に、強度をだすため、及び、締付け時のラックカバー固定用金具10の共回りを防ぐための縁板34を直角方向に設けてもよい。
【0014】
ラックカバー固定用金具10は図4、5に示したものと同一のもので、金属の帯板から成り、側方へ水平方向に突出した水平板部11aと前記親桁1の下端の折曲げ縁板1aの内側先端に係止するために該水平板部11aの先端から上向きに突設された係止爪片11bとを有する係止部11と、前記水平板部11aから上方ヘ垂直方向に延設された垂直部13cと(図2参照)、この垂直部13cの上端から垂直部に関して前記係止部11と反対面側の斜め上方向に張出した張出し部13aを有する基板部13と、前記張出し部13aの上端から前記係止部11側へ水平方向に延設され先端近傍にボルト20を螺着するためのボルト穴(ネジ穴)12aを有する折返し片12とを備えている。
【0015】
なお、基板部13の上部には、ボルト20の邪魔をしないための切欠き13bが設けられている。
【0016】
ラック3の上面にラックカバー4を固定するには次のようにする。
ラックカバー4の幅方向の両側部に一定間隔で設けられた取付穴4a、4a、…が、ラック3の子桁2、あるいは前記したサポート材、あるいは架台6でラックカバー固定用金具10の使用が邪魔される位置ではない場合(図1の右上の取付け穴)には、図4、5で示したのと全く同様にラックカバー固定用金具10を用いてラックカバー4の取付穴4aに挿通したボルト20を締付けて固定する。
【0017】
そして、取付穴4aが子桁2やサポート材(図示せず)や架台6でラックカバー固定用金具10の使用が邪魔される位置にくる場合には、前記連結板30のカバー固定用穴31を挟んだ両側の複数の金具固定用穴32のうちで子桁2や架台6などに邪魔されない位置の穴を1つずつ選んで、上側から挿通したボルト20を、ラックカバー固定用金具10の折返し片12の前記ボルト穴(ネジ穴)12aに螺着し締付けて、左右に1つずつラックカバー固定用金具10、10を連結板30の基板33に固定する。
【0018】
このように連結板30に固定した2つのラックカバー固定用金具10、10を図1に示すように親桁1の外面側に位置させて、ラックカバー固定用金具10、10の下端の各係止部11の水平板部11aを、親桁1の下端の折曲げ縁部1aの下面に当てがって、先端の係止爪11bを折曲げ縁部1aの内側先端側に上へいれて係止させると共に、ラックカバー4の取付け穴4aに上側からワッシャー22を介して挿通したボルト20を、連結板30の中央のカバー固定用穴(ネジ穴)31に螺着し、さらにネジ込むことによって、金具10の下端の水平板部11aとボルト20の頭部20aとの間で親桁1とラックカバー4とを上下から締付ける。このようにしてラックカバー4の下方に連結板30を固定して、親桁1の上端に被せられたラックカバー4を親桁1に固定する。
【0019】
なお、ラックカバー固定用金具10は図3に示したように基板部13の下部に張出し部13aを設けたものでもよい。
即ち、図3の実施形態では、基板13は、水平板部11aから上方へ係止爪11bから離れる斜め上方向に張出した張出し部13aと、この張出し部13aの上端から前記水平板部11aに対して垂直に上方へ延設された垂直部13cとを備えている。
【0020】
なお、連結板30のカバー固定用穴31をネジ穴にせず、単にボルト20が挿通する穴にし、下側からナットでボルト20を固定するようにしてもよい。ラックカバー固定用金具10のボルト穴12aの場合も同様である。
【0021】
【発明の効果】
以上説明したように、本発明の請求項1のラックカバーの固定構造では、
上端及び下端に互いに接近する方向に折曲げられた折曲げ縁板を備えた互いに平行な一対の親桁と、前記一対の親桁の下端の前記折曲げ縁板の上面に両端下面が接触した状態で、前記一対の親桁間を連結する複数の子桁とから成るラックの、前記一対の親桁の上端の前記折曲げ縁板の上面に接触した状態でラックカバーを被せ、前記上端の折曲げ縁板より外側に位置するように設けられた前記ラックカバーの取付け穴を用いて、前記ラックカバーを前記親桁の上端側に固定するラックカバーの固定構造において、
水平方向へ突出した水平板部と前記親桁の下端の折り曲げ縁板の内側先端に係止するために該水平板部の先端から上向きに突設された係止爪片とを有する係止部と、前記水平板部から上方へ垂直方向に延設された垂直部と、前記垂直部の上端から前記垂直部に関して前記係止部と反対面側の斜め上方向に張出した張出し部を有する基板部と、前記張出し部の上端から前記垂直部に関して前記係止部側へ水平方向に延設され先端近傍にボルトを固定するためのボルト穴を有する折返し片とを備えた2個のラックカバー固定用金具と、
ラックカバーの取付け穴に上側から挿通されたボルトの先端が挿通固定されるカバー固定用穴と、該カバー固定用穴を挟んで一直線上に複数の金具固定用穴が設けられた帯板状の連結板とを用いて、
前記連結板の前記カバー固定用穴を挟んだ両側の2個の前記金具固定用穴に上側から挿通したボルトを、2個の前記ラックカバー固定用金具の前記各折り返し片の前記ボルト穴でそれぞれ締付けて前記各ラックカバー固定用金具を前記連結板に固定し、
前記各ラックカバー固定用金具を親桁の外面側に位置させ、前記各ラックカバー固定用金具の下端の前記係止部の前記水平部を、親桁の下端の折曲げ縁板の下面に当てがって前記係止爪を親桁の下端の折曲げ縁部の内側先端に係止させると共に、ラックカバーの取付け穴に上側から挿通したボルトを前記連結板の前記カバー固定用穴で締付けてラックカバーの下部に前記連結板を固定して、前記親桁の上端に被せられたラックカバーを親桁に固定するようにしている。
また、本発明の請求項2のラックカバーの固定構造では、
上端及び下端に互いに接近する方向に折曲げられた折曲げ縁板を備えた互いに平行な一対の親桁と、前記一対の親桁の下端の前記折曲げ縁板の上面に両端下面が接触した状態で、前記一対の親桁間を連結する複数の子桁とから成るラックの、前記一対の親桁の上端の前記折曲げ縁板の上面に接触した状態でラックカバーを被せ、前記上端の折曲げ縁板より外側に位置するように設けられた前記ラックカバーの取付け穴を用いて、前記ラックカバーを前記親桁の上端側に固定するラックカバーの固定構造において、
水平方向へ突出した水平板部と前記親桁の下端の折り曲げ縁板の内側先端に係止するために該水平板部の先端から上向きに突設された係止爪片とを有する係止部と、前記水平板部から上方へ前記係止爪から離れる斜め上方向に張出した張出し部と、前記張出し部の上端から前記水平板部に対して垂直に上方へ延設された垂直部を有する基板部と、前記垂直部の上端から前記垂直部に関して前記係止部側へ水平方向に延設され先端近傍にボルトを固定するためのボルト穴を有する折返し片とを備えた2個のラックカバー固定用金具と、
ラックカバーの取付け穴に上側から挿通されたボルトの先端が挿通固定されるカバー固定用穴と、該カバー固定用穴を挟んで一直線上に複数の金具固定用穴が設けられた帯板状の連結板とを用いて、
前記連結板の前記カバー固定用穴を挟んだ両側の2個の前記金具固定用穴に上側から挿通したボルトを、2個の前記ラックカバー固定用金具の前記各折り返し片の前記ボルト穴でそれぞれ締付けて前記各ラックカバー固定用金具を前記連結板に固定し、
前記各ラックカバー固定用金具を親桁の外面側に位置させ、前記各ラックカバー固定用金具の下端の前記係止部の前記水平部を、親桁の下端の折曲げ縁板の下面に当てがって前記係止爪を親桁の下端の折曲げ縁部の内側先端に係止させると共に、ラックカバーの取付け穴に上側から挿通したボルトを前記連結板の前記カバー固定用穴で締付けてラックカバ ーの下部に前記連結板を固定して、前記親桁の上端に被せられたラックカバーを親桁に固定するようにしている。
【0022】
このため、ラックカバーの取付け穴において前記連結板を固定し、ラックカバーの取付け穴から離れた両側にある前記連結板の複数の前記金具固定用穴において、前記ラックカバー固定用金具をそれぞれ固定することによって、ラックカバーの取付け穴が前記したように子桁やサポート材や架台の位置にきた場合でも、ラックカバーを支障なく親桁に固定できる。
【図面の簡単な説明】
【図1】本発明の一実施形態のラックカバーの固定構造を示す斜視図
【図2】同実施形態の連結板とラックカバー固定用金具を示す斜視図
【図3】本発明の他の実施形態のラックカバー固定用金具を示す斜視図
【図4】従来のラックカバーの固定構造を示す斜視図
【図5】従来のラックカバーの固定構造を示す断面図
【符号の説明】
1 親桁
2 子桁
3 ラック
4 ラックカバー
4a 取付け穴
6 架台
10 ラックカバー固定用金具
30 連結板
[0001]
[Industrial application fields]
The present invention relates to a rack cover fixing structure for fixing a rack cover to a rack.
[0002]
[Prior art]
For example, in order to wire / pipe long objects such as cables, pipes, refrigerant pipes, etc. inside buildings, rooftops, outdoors, etc., as shown in FIG. A rack 3 formed by connecting a plurality of child beams 2 at regular intervals is installed (the lower surfaces of both ends of the child beam 2 are on the upper surfaces of the folding edge plates 1a and 1a at the lower ends of the two parent beams 1 and 1). It is fixed by welding or the like), and a long object (not shown) such as a cable, a pipe, a refrigerant pipe or the like is wired / piped on the plurality of child beams 2 of the rack 3. The rack cover 4 is attached to the main girder 1 of the rack 3 so that dust does not enter the rack 3, and especially when the rack 3 is installed on the rooftop or outdoors, so as not to be affected by wind and rain. 1 is mounted on top.
[0003]
In order to attach the rack cover 4, conventionally, as shown in FIGS. 4 and 5, the rack cover 4 is attached to the rack cover 4 using a band-plate-shaped rack cover fixing bracket 10 having a locking portion 11 at the lower end. At the position directly below the mounting hole 4a, from the outside of the main beam 1 to the front end side of the bent edge plate 1a at the lower end of the main beam 1, the lower side of the locking claw 11b of the locking portion 11 of the metal fitting 10 from the lower side The bolt 20 inserted into the mounting hole 4a of the rack cover 4 from above is screwed into the screw hole 12a of the folded piece 12 at the upper end of the bracket 10 and fixed by tightening. Yes. Mounting holes 4 a are provided at both side edges of the rack cover 4 at regular intervals, and the rack cover 4 is fixed to the upper surface of the rack 3 by performing the same tightening for each mounting hole 4 a.
[0004]
[Problems to be solved by the invention]
However, in this method, when the mounting hole 4a of the rack cover 4 is located immediately above the child beam 2, the locking claw 11a of the locking portion 11 of the metal fitting 10 is folded at the lower end of the parent beam 1 as shown in FIG. There is an inconvenience that it is impossible to use the metal fitting 10 because the child beam 2 cannot get in the way of being engaged with the bent edge plate 1a.
[0005]
In addition, when the rack 3 is installed indoors, the rack 3 may be supported from below by a support material (not shown) supported by suspension bolts from the ceiling. In this case as well, the rack cover 4 is attached. Similarly, when the hole 4a is positioned directly above the support member, the locking claw 11a of the locking portion 11a of the metal fitting 10 cannot be locked to the front end of the bent edge plate 1a at the lower end of the main beam 1, so that the metal fitting 10 There was an inconvenience that cannot be used.
[0006]
When the rack 3 is installed on the roof or outdoors, as shown in FIG. 1, the rack 3 is often supported by a gantry 6 (see FIG. 1). In this case as well, the mounting holes 4a of the rack cover 4 are supported. , The metal fitting 10 could not be used.
[0007]
For this reason, when the position of the rack cover mounting hole 4a coincides with the position of the sub beam, the support material, or the frame, a new hole can be drilled at another position avoiding these obstacles at the construction site. It was opened and fastened using the metal fitting 10.
[0008]
However, it is very troublesome to drill a new hole at the construction site in this way, and due to the problem of appearance, the mounting hole 4a that is no longer used must be filled with caulking etc. It was.
[0009]
The present invention solves such a problem, and even when the mounting hole of the rack cover comes to the position of the child girder, the support material, or the gantry as described above, the rack cover can be fastened and fixed without any trouble using the metal fittings. The purpose is to provide a fixed structure.
[0010]
In order to achieve the above object, in the rack cover fixing structure according to claim 1 of the present invention,
A pair of parallel main girders each having a bent edge plate bent in a direction approaching the upper end and the lower end, and lower surfaces of both ends are in contact with the upper surface of the bent edge plate at the lower end of the pair of parent girders. In a state, a rack composed of a plurality of child girders connecting the pair of parent girders, a rack cover is put in contact with the upper surface of the bent edge plate at the upper end of the pair of parent girders, In the rack cover fixing structure for fixing the rack cover to the upper end side of the parent beam using the mounting holes of the rack cover provided so as to be positioned outside the bent edge plate ,
A locking portion having a horizontal plate portion protruding in the horizontal direction and a locking claw piece protruding upward from the front end of the horizontal plate portion for locking to the inner front end of the bent edge plate at the lower end of the parent girder And a vertical portion extending vertically upward from the horizontal plate portion, and a projecting portion projecting obliquely upward from the upper end of the vertical portion on the opposite side of the locking portion with respect to the vertical portion. Two rack cover fixings including a portion and a folded piece extending in the horizontal direction from the upper end of the overhanging portion toward the locking portion with respect to the vertical portion and having a bolt hole for fixing a bolt near the tip Metal fittings,
A cover fixing hole in which the tip of the bolt inserted from above into the mounting hole of the rack cover is inserted and fixed, and a plurality of bracket fixing holes provided in a straight line across the cover fixing hole Using the connecting plate,
The bolts inserted from above into the two metal fitting fixing holes on both sides of the connecting plate with the cover fixing holes interposed therebetween are respectively the bolt holes of the folded pieces of the two rack cover fixing metal fittings. Tighten and fix each rack cover fixing bracket to the connecting plate,
Each rack cover fixing bracket is positioned on the outer surface side of the main beam, and the horizontal portion of the locking portion at the lower end of each rack cover fixing bracket is applied to the lower surface of the bent edge plate at the lower end of the parent beam. The locking claw is locked to the inner end of the bent edge at the lower end of the main beam, and the bolt inserted from the upper side into the mounting hole of the rack cover is tightened with the cover fixing hole of the connecting plate. The connecting plate is fixed to the lower part of the rack cover, and the rack cover placed on the upper end of the parent beam is fixed to the parent beam.
In the rack cover fixing structure according to claim 2 of the present invention,
A pair of parallel main girders each having a bent edge plate bent in a direction approaching the upper end and the lower end, and lower surfaces of both ends are in contact with the upper surface of the bent edge plate at the lower end of the pair of parent girders. In a state, a rack composed of a plurality of child girders connecting the pair of parent girders, a rack cover is put in contact with the upper surface of the bent edge plate at the upper end of the pair of parent girders, In the rack cover fixing structure for fixing the rack cover to the upper end side of the parent beam using the mounting holes of the rack cover provided so as to be positioned outside the bent edge plate,
A locking portion having a horizontal plate portion protruding in the horizontal direction and a locking claw piece protruding upward from the front end of the horizontal plate portion for locking to the inner front end of the bent edge plate at the lower end of the parent girder And an overhanging portion protruding upward from the horizontal plate portion in an obliquely upward direction away from the locking claw, and a vertical portion extending upward from the upper end of the overhanging portion perpendicularly to the horizontal plate portion. Two rack covers each including a base plate portion and a folded piece extending in a horizontal direction from the upper end of the vertical portion toward the locking portion with respect to the vertical portion and having a bolt hole for fixing a bolt near the tip Fixing brackets,
A cover fixing hole in which the tip of the bolt inserted from above into the mounting hole of the rack cover is inserted and fixed, and a plurality of bracket fixing holes provided in a straight line across the cover fixing hole Using the connecting plate,
The bolts inserted from above into the two metal fitting fixing holes on both sides of the connecting plate with the cover fixing holes interposed therebetween are respectively the bolt holes of the folded pieces of the two rack cover fixing metal fittings. Tighten and fix each rack cover fixing bracket to the connecting plate,
Each rack cover fixing bracket is positioned on the outer surface side of the main beam, and the horizontal portion of the locking portion at the lower end of each rack cover fixing bracket is applied to the lower surface of the bent edge plate at the lower end of the parent beam. The locking claw is locked to the inner end of the bent edge at the lower end of the main beam, and the bolt inserted from the upper side into the mounting hole of the rack cover is tightened with the cover fixing hole of the connecting plate. the connecting plate fixed to the bottom of the rack cover is characterized in that the rack cover placed over the upper end of the parent digits to fixed to the parent digits.
[0011]
For this reason, the connecting plate is fixed in the mounting hole of the rack cover, and the rack cover fixing bracket is respectively fixed in the plurality of fixing holes of the connecting plate on both sides away from the mounting hole of the rack cover. By fixing the rack cover, the rack cover can be fixed to the parent girder without any trouble even when the mounting hole of the rack cover comes to the position of the child girder, the support member or the mount as described above.
[0012]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the present invention will be described with reference to the drawings.
FIG. 1 shows a rack cover fixing structure according to an embodiment of the present invention.
In the rack cover fixing structure of the present invention, as shown in FIG. 2, a connecting plate 30 and two rack cover fixing brackets 10 (the same as those shown in FIGS. 4 and 5) are used.
[0013]
The connection plate 30 sandwiches the cover fixing hole 31 (screw hole) 31 into which the tip of the bolt 20 inserted from above into the mounting hole 4a of the central rack cover is inserted and fixed, and the central cover fixing hole 31. A strip-like substrate 33 provided with at least two fitting fixing holes 32 on a straight line on the left and right is provided. An edge plate 34 may be provided at one end in the width direction of the substrate 33 in the right-angle direction for increasing the strength and for preventing the rack cover fixing bracket 10 from rotating together during tightening.
[0014]
The rack cover fixing bracket 10 is the same as that shown in FIGS. 4 and 5, is made of a metal strip, and is bent at the lower end of the main girder 1 and a horizontal plate portion 11 a that protrudes laterally in the horizontal direction. A locking part 11 having a locking claw piece 11b protruding upward from the front end of the horizontal plate part 11a in order to lock to the inner front end of the edge plate 1a, and a vertical direction upward from the horizontal plate part 11a. A vertical portion 13c extending to the base portion 13 (see FIG. 2), and a base plate portion 13 having a protruding portion 13a protruding from the upper end of the vertical portion 13c in a diagonally upward direction on the opposite side to the locking portion 11 with respect to the vertical portion. And a folded piece 12 having a bolt hole (screw hole) 12a extending in the horizontal direction from the upper end of the overhanging portion 13a toward the locking portion 11 and for screwing the bolt 20 in the vicinity of the tip.
[0015]
A notch 13b is provided at the upper part of the substrate part 13 so as not to obstruct the bolt 20.
[0016]
The rack cover 4 is fixed to the upper surface of the rack 3 as follows.
Width direction of Tsukeana 4a preparative provided at regular intervals on both sides of the rack cover 4, 4a, ... is, the rack 3 Koketa 2, or the complement of support material, or the rack cover fixing bracket 10 at the platform 6 If it is not a position where use is hindered by the (mounting hole at the top right of FIG. 1) is Tsukeana 4a preparative rack cover 4 by means of exactly the same manner as the rack cover fixing bracket 10 as shown in FIGS. 4 and 5 The bolt 20 inserted through is tightened and fixed.
[0017]
The preparative Tsukeana 4a is Koketa 2 and support member (not shown) when the use of the rack cover fixing bracket 10 comes at a position that is disturbed in or the platform 6, the hole for the cover fixing of the connecting plate 30 The holes 20 that are not obstructed by the child beam 2 or the gantry 6 are selected one by one from the plurality of metal fixing holes 32 on both sides of the rack 31, and the bolts 20 that are inserted from above are used as the rack cover fixing metal Then, the rack cover fixing brackets 10 and 10 are fixed to the board 33 of the connecting plate 30 one by one on the left and right sides.
[0018]
The two rack cover fixing brackets 10 and 10 fixed to the connecting plate 30 are positioned on the outer surface side of the main beam 1 as shown in FIG. the horizontal plate portion 11a of the stopper portion 11, and therefore those in the lower surface of the lower end of the flared flange 1a of the parent digit 1, placed onto the locking claw 11b of the tip inside the distal end side of the flared flange 1a The bolt 20 inserted into the mounting hole 4a of the rack cover 4 from above via the washer 22 is screwed into the cover fixing hole (screw hole) 31 at the center of the connecting plate 30 and further screwed. Thus, the main beam 1 and the rack cover 4 are fastened from above and below between the horizontal plate portion 11a at the lower end of the metal fitting 10 and the head portion 20a of the bolt 20. In this manner, the connecting plate 30 is fixed below the rack cover 4, and the rack cover 4 placed on the upper end of the parent beam 1 is fixed to the parent beam 1.
[0019]
Note that the rack cover fixing bracket 10 may be provided with a protruding portion 13a at the lower portion of the substrate portion 13 as shown in FIG.
That is, in the embodiment shown in FIG. 3, the substrate 13 extends upward from the horizontal plate portion 11a obliquely upward away from the locking claw 11b, and from the upper end of the overhang portion 13a to the horizontal plate portion 11a. And a vertical portion 13c extending vertically upward.
[0020]
The cover fixing hole 31 of the connecting plate 30 may not be a screw hole, but simply a hole through which the bolt 20 is inserted, and the bolt 20 may be fixed with a nut from below. The same applies to the bolt holes 12 a of the rack cover fixing bracket 10.
[0021]
【The invention's effect】
As described above, in the rack cover fixing structure according to claim 1 of the present invention,
A pair of parallel main girders each having a bent edge plate bent in a direction approaching the upper end and the lower end, and lower surfaces of both ends are in contact with the upper surface of the bent edge plate at the lower end of the pair of parent girders. In a state, a rack composed of a plurality of child girders connecting the pair of parent girders, a rack cover is put in contact with the upper surface of the bent edge plate at the upper end of the pair of parent girders, In the rack cover fixing structure for fixing the rack cover to the upper end side of the parent beam using the mounting holes of the rack cover provided so as to be positioned outside the bent edge plate ,
A locking portion having a horizontal plate portion protruding in the horizontal direction and a locking claw piece protruding upward from the front end of the horizontal plate portion for locking to the inner front end of the bent edge plate at the lower end of the parent girder And a vertical portion extending vertically upward from the horizontal plate portion, and a projecting portion projecting obliquely upward from the upper end of the vertical portion on the opposite side of the locking portion with respect to the vertical portion. Two rack cover fixings including a portion and a folded piece extending in the horizontal direction from the upper end of the overhanging portion toward the locking portion with respect to the vertical portion and having a bolt hole for fixing a bolt near the tip Metal fittings,
A cover fixing hole in which the tip of the bolt inserted from above into the mounting hole of the rack cover is inserted and fixed, and a plurality of bracket fixing holes provided in a straight line across the cover fixing hole Using the connecting plate,
The bolts inserted from above into the two metal fitting fixing holes on both sides of the connecting plate with the cover fixing holes interposed therebetween are respectively the bolt holes of the folded pieces of the two rack cover fixing metal fittings. Tighten and fix each rack cover fixing bracket to the connecting plate,
Each rack cover fixing bracket is positioned on the outer surface side of the main beam, and the horizontal portion of the locking portion at the lower end of each rack cover fixing bracket is applied to the lower surface of the bent edge plate at the lower end of the parent beam. The locking claw is locked to the inner end of the bent edge at the lower end of the main beam, and the bolt inserted from the upper side into the mounting hole of the rack cover is tightened with the cover fixing hole of the connecting plate. The connecting plate is fixed to the lower portion of the rack cover, and the rack cover placed on the upper end of the parent beam is fixed to the parent beam.
In the rack cover fixing structure according to claim 2 of the present invention,
A pair of parallel main girders each having a bent edge plate bent in a direction approaching the upper end and the lower end, and lower surfaces of both ends are in contact with the upper surface of the bent edge plate at the lower end of the pair of parent girders. In a state, a rack composed of a plurality of child girders connecting the pair of parent girders, a rack cover is put in contact with the upper surface of the bent edge plate at the upper end of the pair of parent girders, In the rack cover fixing structure for fixing the rack cover to the upper end side of the parent beam using the mounting holes of the rack cover provided so as to be positioned outside the bent edge plate,
A locking portion having a horizontal plate portion protruding in the horizontal direction and a locking claw piece protruding upward from the front end of the horizontal plate portion for locking to the inner front end of the bent edge plate at the lower end of the parent girder And an overhanging portion protruding upward from the horizontal plate portion in an obliquely upward direction away from the locking claw, and a vertical portion extending upward from the upper end of the overhanging portion perpendicularly to the horizontal plate portion. Two rack covers each including a base plate portion and a folded piece extending in a horizontal direction from the upper end of the vertical portion toward the locking portion with respect to the vertical portion and having a bolt hole for fixing a bolt near the tip Fixing brackets,
A cover fixing hole in which the tip of the bolt inserted from above into the mounting hole of the rack cover is inserted and fixed, and a plurality of bracket fixing holes provided in a straight line across the cover fixing hole Using the connecting plate,
The bolts inserted from above into the two metal fitting fixing holes on both sides of the connecting plate with the cover fixing holes interposed therebetween are respectively the bolt holes of the folded pieces of the two rack cover fixing metal fittings. Tighten and fix each rack cover fixing bracket to the connecting plate,
Each rack cover fixing bracket is positioned on the outer surface side of the main beam, and the horizontal portion of the locking portion at the lower end of each rack cover fixing bracket is applied to the lower surface of the bent edge plate at the lower end of the parent beam. The locking claw is locked to the inner end of the bent edge at the lower end of the main beam, and the bolt inserted from the upper side into the mounting hole of the rack cover is tightened with the cover fixing hole of the connecting plate. the connecting plate fixed to the bottom of Rakkukaba over, so that to secure the rack cover placed over the upper end of the parent digits to the parent digits.
[0022]
For this reason, the connecting plate is fixed in the mounting holes of the rack cover, and the rack cover fixing brackets are fixed in the plurality of fixing holes of the connecting plates on both sides away from the mounting holes of the rack cover. Thus, even when the mounting hole of the rack cover comes to the position of the child beam, the support material, or the gantry as described above, the rack cover can be fixed to the parent beam without any trouble.
[Brief description of the drawings]
FIG. 1 is a perspective view illustrating a rack cover fixing structure according to an embodiment of the present invention. FIG. 2 is a perspective view illustrating a connecting plate and a rack cover fixing bracket according to the embodiment. FIG. 4 is a perspective view showing a conventional rack cover fixing structure. FIG. 5 is a cross-sectional view showing a conventional rack cover fixing structure.
1 Parent Girder 2 Child Girder 3 Rack 4 Rack Cover 4a Mounting Hole 6 Base 10 Rack Cover Fixing Bracket 30 Connecting Plate

Claims (2)

上端及び下端に互いに接近する方向に折曲げられた折曲げ縁板を備えた互いに平行な一対の親桁と、前記一対の親桁の下端の前記折曲げ縁板の上面に両端下面が接触した状態で、前記一対の親桁間を連結する複数の子桁とから成るラックの、前記一対の親桁の上端の前記折曲げ縁板の上面に接触した状態でラックカバーを被せ、前記上端の折曲げ縁板より外側に位置するように設けられた前記ラックカバーの取付け穴を用いて、前記ラックカバーを前記親桁の上端側に固定するラックカバーの固定構造において、
水平方向へ突出した水平板部と前記親桁の下端の折り曲げ縁板の内側先端に係止するために該水平板部の先端から上向きに突設された係止爪片とを有する係止部と、前記水平板部から上方へ垂直方向に延設された垂直部と、前記垂直部の上端から前記垂直部に関して前記係止部と反対面側の斜め上方向に張出した張出し部を有する基板部と、前記張出し部の上端から前記垂直部に関して前記係止部側へ水平方向に延設され先端近傍にボルトを固定するためのボルト穴を有する折返し片とを備えた2個のラックカバー固定用金具と、
ラックカバーの取付け穴に上側から挿通されたボルトの先端が挿通固定されるカバー固定用穴と、該カバー固定用穴を挟んで一直線上に複数の金具固定用穴が設けられた帯板状の連結板とを用いて、
前記連結板の前記カバー固定用穴を挟んだ両側の2個の前記金具固定用穴に上側から挿通したボルトを、2個の前記ラックカバー固定用金具の前記各折り返し片の前記ボルト穴でそれぞれ締付けて前記各ラックカバー固定用金具を前記連結板に固定し、
前記各ラックカバー固定用金具を親桁の外面側に位置させ、前記各ラックカバー固定用金具の下端の前記係止部の前記水平部を、親桁の下端の折曲げ縁板の下面に当てがって前記係止爪を親桁の下端の折曲げ縁部の内側先端に係止させると共に、ラックカバーの取付け穴に上側から挿通したボルトを前記連結板の前記カバー固定用穴で締付けてラックカバーの下部に前記連結板を固定して、前記親桁の上端に被せられたラックカバーを親桁に固定するようにしたことを特徴とするラックカバーの固定構造。
A pair of parallel main girders each having a bent edge plate bent in a direction approaching the upper end and the lower end, and lower surfaces of both ends are in contact with the upper surface of the bent edge plate at the lower end of the pair of parent girders. In a state, a rack composed of a plurality of child girders connecting the pair of parent girders, a rack cover is put in contact with the upper surface of the bent edge plate at the upper end of the pair of parent girders, In the rack cover fixing structure for fixing the rack cover to the upper end side of the parent beam using the mounting holes of the rack cover provided so as to be positioned outside the bent edge plate ,
A locking portion having a horizontal plate portion protruding in the horizontal direction and a locking claw piece protruding upward from the front end of the horizontal plate portion for locking to the inner front end of the bent edge plate at the lower end of the parent girder And a vertical portion extending vertically upward from the horizontal plate portion, and a projecting portion projecting obliquely upward from the upper end of the vertical portion on the opposite side of the locking portion with respect to the vertical portion. Two rack cover fixings including a portion and a folded piece extending in the horizontal direction from the upper end of the overhanging portion toward the locking portion with respect to the vertical portion and having a bolt hole for fixing a bolt near the tip Metal fittings,
A cover fixing hole in which the tip of the bolt inserted from above into the mounting hole of the rack cover is inserted and fixed, and a plurality of bracket fixing holes provided in a straight line across the cover fixing hole Using the connecting plate,
The bolts inserted from above into the two metal fitting fixing holes on both sides of the connecting plate with the cover fixing holes interposed therebetween are respectively the bolt holes of the folded pieces of the two rack cover fixing metal fittings. Tighten and fix each rack cover fixing bracket to the connecting plate,
Each rack cover fixing bracket is positioned on the outer surface side of the main beam, and the horizontal portion of the locking portion at the lower end of each rack cover fixing bracket is applied to the lower surface of the bent edge plate at the lower end of the parent beam. The locking claw is locked to the inner end of the bent edge at the lower end of the main beam, and the bolt inserted from the upper side into the mounting hole of the rack cover is tightened with the cover fixing hole of the connecting plate. A rack cover fixing structure, wherein the connecting plate is fixed to a lower portion of the rack cover, and the rack cover placed on the upper end of the parent beam is fixed to the parent beam.
上端及び下端に互いに接近する方向に折曲げられた折曲げ縁板を備えた互いに平行な一対の親桁と、前記一対の親桁の下端の前記折曲げ縁板の上面に両端下面が接触した状態で、前記一対の親桁間を連結する複数の子桁とから成るラックの、前記一対の親桁の上端の前記折曲げ縁板の上面に接触した状態でラックカバーを被せ、前記上端の折曲げ縁板より外側に位置するように設けられた前記ラックカバーの取付け穴を用いて、前記ラックカバーを前記親桁の上端側に固定するラックカバーの固定構造において、A pair of parallel main girders each having a bent edge plate bent in a direction approaching the upper end and the lower end, and lower surfaces of both ends are in contact with the upper surface of the bent edge plate at the lower end of the pair of parent girders. In a state, a rack composed of a plurality of child girders connecting the pair of parent girders, a rack cover is put in contact with the upper surface of the bent edge plate at the upper end of the pair of parent girders, In the rack cover fixing structure for fixing the rack cover to the upper end side of the parent beam using the mounting holes of the rack cover provided so as to be positioned outside the bent edge plate,
水平方向へ突出した水平板部と前記親桁の下端の折り曲げ縁板の内側先端に係止するために該水平板部の先端から上向きに突設された係止爪片とを有する係止部と、前記水平板部から上方へ前記係止爪から離れる斜め上方向に張出した張出し部と、前記張出し部の上端から前記水平板部に対して垂直に上方へ延設された垂直部を有する基板部と、前記垂直部の上端から前記垂直部に関して前記係止部側へ水平方向に延設され先端近傍にボルトを固定するためのボルト穴を有する折返し片とを備えた2個のラックカバー固定用金具と、A locking portion having a horizontal plate portion protruding in the horizontal direction and a locking claw piece protruding upward from the front end of the horizontal plate portion for locking to the inner front end of the bent edge plate at the lower end of the parent girder And an overhanging portion protruding upward from the horizontal plate portion in an obliquely upward direction away from the locking claw, and a vertical portion extending upward from the upper end of the overhanging portion perpendicularly to the horizontal plate portion. Two rack covers each including a base plate portion and a folded piece extending in a horizontal direction from the upper end of the vertical portion toward the locking portion with respect to the vertical portion and having a bolt hole for fixing a bolt near the tip Fixing brackets,
ラックカバーの取付け穴に上側から挿通されたボルトの先端が挿通固定されるカバー固定用穴と、該カバー固定用穴を挟んで一直線上に複数の金具固定用穴が設けられた帯板状の連結板とを用いて、A cover fixing hole in which the tip of the bolt inserted from above into the mounting hole of the rack cover is inserted and fixed, and a plurality of bracket fixing holes provided in a straight line across the cover fixing hole Using the connecting plate,
前記連結板の前記カバー固定用穴を挟んだ両側の2個の前記金具固定用穴に上側から挿通したボルトを、2個の前記ラックカバー固定用金具の前記各折り返し片の前記ボルト穴でそれぞれ締付けて前記各ラックカバー固定用金具を前記連結板に固定し、Bolts inserted from above into the two metal fitting fixing holes on both sides of the connecting plate across the cover fixing holes are respectively connected to the bolt holes of the folded pieces of the two rack cover fixing metal fittings. Tighten and fix each rack cover fixing bracket to the connecting plate,
前記各ラックカバー固定用金具を親桁の外面側に位置させ、前記各ラックカバー固定用金具の下端の前記係止部の前記水平部を、親桁の下端の折曲げ縁板の下面に当てがって前記係止爪を親桁の下端の折曲げ縁部の内側先端に係止させると共に、ラックカバーの取付け穴に上側から挿通したボルトを前記連結板の前記カバー固定用穴で締付けてラックカバーの下部に前記連結板を固定して、前記親桁の上端に被せられたラックカバーを親桁に固Each rack cover fixing bracket is positioned on the outer surface side of the main beam, and the horizontal portion of the locking portion at the lower end of each rack cover fixing bracket is applied to the lower surface of the bent edge plate at the lower end of the parent beam. The locking claw is locked to the inner end of the bent edge at the lower end of the main beam, and the bolt inserted from the upper side into the mounting hole of the rack cover is tightened with the cover fixing hole of the connecting plate. The connecting plate is fixed to the lower part of the rack cover, and the rack cover placed on the upper end of the parent beam is fixed to the parent beam. 定するようにしたことを特徴とするラックカバーの固定構造。A rack cover fixing structure characterized by being fixed.
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