JP3325701B2 - Suspension device - Google Patents
Suspension deviceInfo
- Publication number
- JP3325701B2 JP3325701B2 JP9304594A JP9304594A JP3325701B2 JP 3325701 B2 JP3325701 B2 JP 3325701B2 JP 9304594 A JP9304594 A JP 9304594A JP 9304594 A JP9304594 A JP 9304594A JP 3325701 B2 JP3325701 B2 JP 3325701B2
- Authority
- JP
- Japan
- Prior art keywords
- pad
- fixed
- leg
- side leg
- movable
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/42—Gripping members engaging only the external or internal surfaces of the articles
- B66C1/44—Gripping members engaging only the external or internal surfaces of the articles and applying frictional forces
- B66C1/48—Gripping members engaging only the external or internal surfaces of the articles and applying frictional forces to vertical edge portions of sheets, tubes, or like thin or thin-walled articles
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Load-Engaging Elements For Cranes (AREA)
- Clamps And Clips (AREA)
Abstract
Description
【発明の詳細な説明】
【0001】
【産業上の利用分野】本発明は、パネルなどの建材を吊
り下げて移動するための吊下装置であって、更に詳しく
は、移送中乃至昇降中に機構側脚に構造物が衝突しても
機構側脚が構造物に引っ掛からないようにして建材の脱
落を防止した吊下装置に関する。
【0002】
【従来の技術】従来の吊り下げ装置(B)にあっては、図
9に示すように逆U字状のクランプ本体(1)と、クラン
プ本体(1)内に取り付けられたリンク機構(4)と、リンク
機構(4)の上端に上部リンクプレート(5)を介して取り付
けられた吊環(6)と下部リンクプレート(12)を介してリ
ンク機構(4)の下部に取り付けられた可動用パッド(15)
と、可動用パッド(15)に対向して設けられた固定側パッ
ド(16)とで構成されている。吊環(6)を引き上げると、
可動用パッド(15)はリンク機構(4)の作用によって固定
側パッド(16)側に移動し、クランプ本体(1)の部材挿入
凹所(1ニ)に収納された吊上部材(T)を固定側パッド(16)
とで挟持し、自重にて強く押圧するようになっている。
【0003】吊上部材(T)を固定側パッド(16)と可動用
パッド(15)にて挟持した状態で吊り下げ、目的位置まで
移送をするのであるが、目的地に到達し、吊上装置(B)
を降下させている時に、例えば柱や梁等の突出部分に機
構側脚(1ロ)又は固定側脚(1ハ)が当接して引っ掛かるとそ
こで吊上装置(B)を吊り上げているチェーン(図示せ
ず)が緩んで吊環(6)が倒れ込み、固定側パッド(16)と
可動用パッド(15)による吊上部材(T)の挟持力はリンク
機構(4)に設けられた引張ばね(19)の引っ張り力のみと
なり、吊上部材(T)の重力を支え切れず、吊上部材(T)が
そこで脱落して落下するという問題があった。
【0004】
【発明が解決しようとする課題】本発明の技術的解決課
題は建材を吊り下げて移送する時、または昇降する時に
吊下装置の機構側脚に構造物が引っ掛かる事がなく、常
に移送中に建材に強い挟持力が働き続け、移送中に建材
が脱落しないようにする事である。
【0005】
【課題を解決するための手段】本発明にかかる吊下装置
(A)は、
水平部(1イ)と前記水平部(1イ)の一端から突設された機
構側脚(1ロ)並びに前記水平部(1イ)の他端から突設された
固定側脚(1ハ)とで構成された逆U字型のクランプ本体
(1)と、
固定側脚(1ハ)の内側面に設けられた固定側パッド(16)
と、
機構側脚(1ロ)の内側面に設けられ、前記固定側パッド
(16)に近接離間し、突出時に両脚(1ロ)(1ハ)間に挿入され
た吊上部材(T)を挟持する可動側パッド(15)と、
クランプ本体(1)を吊り下げる吊環(6)と、
前記吊環(6)と可動側パッド(15)とを連結し、クラン
プ本体(1)の吊り下げ時に可動側パッド(15)を機構側脚
(1ロ)から突出させるリンク機構(4)と、
可動側パッド(15)の運動と共に固定側パッド(1ハ)に近
接離間するように機構側脚(1ロ)に取り付けられ、可動側
パッド(15)の突出時に可動側パッド(15)と機構側脚(1ロ)
との間を閉塞するカバー部材(3)とで構成された事を特
徴とする。
【0006】これによれば、可動用パッド(15)を固定側
パッド(16)から離間させ、機構側脚(1ロ)側に移動させて
いる場合(例えば建材のような吊上部材(T)を挟持しな
い場合。)には、可動用パッド(15)の運動と共にカバー
部材(3)も固定側パッド(16)から離間する方向に移動し
てクランプ本体(1)の部材挿入凹所(1ニ)を大きく開く事
になる。この状態で吊上部材(T)をクランプ本体(1)の部
材挿入凹所(1ニ)に挿入し、リンク機構(4)を作動させて
可動用パッド(15)を固定側パッド(16)側に移動させ、固
定側パッド(16)と可動用パッド(15)とで吊上部材(T)を
挟持し、更に吊環(6)を引き上げると吊上部材(T)及び吊
下装置(A)の自重によりリンク機構(4)が作動して吊上部
材(T)を固定側パッド(16)と可動用パッド(15)とで強く
挟み込み、吊上部材(T)を吊り上げる事が出来るように
なる。
【0007】この時、可動用パッド(15)の固定側パッド
(16)側への突出と共にカバー部材(3)も固定側パッド(1
6)側に突出し、可動用パッド(15)と機構側脚(1ロ)の先端
との間に発生する間隙(1ホ)をカバー部材(3)の先端部(3
a)によって閉塞する。この時、先端部(3a)の先端はクラ
ンプ本体(1)に当接乃至非常に近接した状態となる。こ
の状態で吊上部材(T)を吊下装置(A)にて吊り上げ、所定
位置まで移動させる。所定位置に到達した所で吊下装置
(A)を降下させ、クランプ本体(1)が地上に到達した所
で、吊下用チェーン(図示せず)が緩んで吊環(6)が倒
れ、リンク機構(4)が緩んで吊上部材(T)がクランプ本体
(1)から離脱する事になる。
【0008】このような吊上部材(T)の移送もしくは昇
降中にクランプ本体(1)の機構側脚(1ロ)又は固定側脚(1
ハ)が何らかの障害物に接触しても、カバー部材(3)の先
端部(3a)によって吊上部材(T)と機構側脚(1ロ)の先端に
発生した間隙(1ホ)が閉塞されているために、間隙(1ホ)内
に障害物がはまり込む事がなく、先端部(3a)を滑って吊
下装置(A)が障害物に引っ掛かって吊下用チェーンが緩
み、吊環(6)が倒れてリンク機構(4)が緩むような事がな
い。これにより吊下部材(T)の移送中における脱落を防
止する事が出来るものである。
【0009】請求項2は、請求項1の吊下装置(A)のカ
バー部材(3)を限定したもので、カバー部材(3)の先端部
(3a)から外側面(3c)にかけての部分の角度(θ)が鈍角と
なるように形成されている事を特徴とする。ここでは特
に、角度(θ)が鈍角となるように形成してあるので、カ
バー部材(3)の先端部(3a)に障害物が接触したとしても
障害物は先端部(3a)の傾斜面を滑って先端部(3a)に引っ
掛かる事がない。従って、吊下部材(T)の脱落防止をよ
り効果的に防止する事が出来る。
【0010】
【実施例】以下、本発明を図示実施例に従って説明す
る。図1は本発明にかかる吊下装置(A)の第1実施例
で、クランプ本体(1)は二分割されていて、機構側本体
部(1a)と固定側本体部(1b)とで構成されており、機構側
本体部(1a)に穿設された通孔と、固定側本体部(1b)に穿
設された通孔とに接続具(2)の接続バー(2a)を挿通し、
抜け止め(2b)を倒す事により、機構側本体部(1a)と固定
側本体部(1b)とを連結一体化するようになっている。こ
れにより機構側本体部(1a)と固定側本体部(1b)との間に
部材挿入凹所(1ニ)が形成された逆U字状のクランプ本体
(1)が構成される事になる。
【0011】クランプ本体(1)において、(1イ)は機構側
本体部(1a)と固定側本体部(1b)の水平部分が互いに重な
り合う水平部で、前述のように接続具(2)によって接続
されるようになっている。水平部(1イ)の長さは、機構側
本体部(1a)と固定側本体部(1b)の重なりあった水平部分
の通孔(通孔は3個以上穿設されている。)を適宜選択
する事により伸縮する事が出来、部材挿入凹所(1ホ)の幅
を拡縮する事が出来るものである。
【0012】前述のように水平部(1イ)の一端から機構側
脚(1ロ)が延出しており、水平部(1イ)の他端から固定側脚
(1ハ)が延出している。これにより部材挿入凹所(1ニ)が形
成された逆U字状のクランプ本体(1)が構成される。
【0013】固定側脚(1ハ)の内側面には固定側パッド(1
6)が設けられている。固定側パッド(16)はバックプレー
ト(16a)と、バックプレート(16a)の内側面側に一体的に
取り付けられた樹脂パッド(16b)とで構成されている。
樹脂パッド(16b)は一般的にウレタン樹脂が使用され
る。
【0014】機構側脚(1ロ)内にはリンク機構(4)が収納
されており、リンク機構(4)の上端には機構側本体部(1
a)を介して吊環(6)が取り付けられている。吊環(6)には
チェーンやワイヤー等(図示せず)が取り付けられる事
になる。リンク機構(4)の下端には下部リンクプレート
(12)を介して可動用パッド(15)が取り付けられている。
可動用パッド(15)はバックプレート(15a)と樹脂パッド
部材(15b)とで構成されており、バックプレート(15a)に
は先端が先鋭に形成された挟持ピン(15c)が螺入され、
固定ナット(15d)によって挟持ピン(15c)がバックプレー
ト(15a)に固着されるようになっている。挟持ピン(15c)
の先端は樹脂パッド部材(15b)より若干突出しており、
吊上部材(T)を固定側パッド(16)と可動用パッド(15)で
挟持した時、挟持ピン(15c)の先端が吊上部材(T)に食い
込み吊上部材(T)の挟持をより強固に確実に行えるよう
にしている。
【0015】リンク機構(4)はその上端が上部リンクプ
レート(5)に枢着され、その下端が下部リンクプレート
(12)に枢着されたリンク棒(7)と、その上端に作動リン
グ(18)が取り付けられたL型の作動レバー(17)と、作動
用レバー(17)の他端に枢着され、リンク棒(7)の中程に
設けられた作動軸(23)がスライド自在に嵌まり込んでい
る揺動レバー(30)とで構成されている。リンク棒(7)と
上部リンクプレート(5)とは上部枢着軸(9)とで枢着され
ており、吊環(6)と上部リンクプレート(5)とは吊環枢着
軸(10)で枢着されている。又上部リンクプレート(5)は
クランプ本体(1)に上部支点軸(8)にて枢着されており、
吊環(6)を引き上げたとき上部支点軸(8)を中心にリンク
棒(7)を引き上げるようになっている。
【0016】リンク棒(7)の下端と下部リンクプレート
(12)とは下部枢着軸(11)にて枢着されており、可動用パ
ッド(15)と下部リンクプレート(12)とはパッド用枢着(1
4)にて枢着されている。更に、下部リンクプレート(12)
は機構側脚(1ロ)の先端に下部支点軸(13)にて枢着されて
いる。作動用レバー(17)は作動用支点軸(21)にて枢着さ
れており、作動レバー(17)の上部に設けてある上部バネ
取付部(20)とリンク棒(7)の作動軸(23)の近傍に設けら
れた下部バネ取付部(24)との間に引張ばね(19)が張設さ
れていて上部バネ取付部(20)と下部バネ取付部(24)との
間に張力を付与している。
【0017】作動リング(18)を引っ張って、作動用レバ
ー(17)を図1中、時計方向に回した時、上部枢着軸(9)
は作動用支点(21)を越えて右側に倒れ込む事になる。こ
れで図2の状態になる。これにより、引張ばね(19)は収
縮し、図2に示すようにリンク機構(4)が緩む事にな
る。逆に、図1に示すように作動リング(18)を反時計方
向に引っ張り、引張ばね(19)を作動用支点(21)の左側に
位置させると(図1の状態)、上部バネ取付部(20)と下
部バネ取付部(24)との間で引張ばね(19)の張力が働き、
リンク棒(7)が引っ張り上げられ、可動用パッド(15)が
固定側パッド(16)側に突出する事になる。
【0018】機構側脚(1ロ)の外側面側から、下端にかけ
て逆し字型のカバー部材(3)が付着されており、カバー
部材(3)の上端は作動用支点(21)に枢着されている。カ
バー部材(3)の先端部(3a)は機構側脚(1ロ)の先端から突
出するようになっており、更に先端部(3a)と外側面(3c)
のなす角度(θ)が鈍角に形成されている。先端部(3a)の
内側にはバネ掛けピン(27)が設けられており、機構側脚
(1ロ)の先端に設けられたばね掛け棒(26)との間でカバー
用ばね(25)が張設されており、カバー部材(3)の先端が
機構側脚(1ロ)の先端より前方に、即ち、固定側パッド(1
6)側に突出するように引張付勢している。カバー部材
(3)の外側壁(3c)の内側面には突起部(3b)が突設してい
る。
【0019】この突起部(3b)は図2に示すように、カバ
ー部材(3)を図中右方向に押し出すためのもので、作動
リング(18)が時計方向に引っ張られて揺動レバー(30)の
下端部分が図2中右側に突出したとき、前記突起部(3b)
に当接してカバー部材(3)を右側(即ち、固定側パッド
(16)から離間する方向に)押し出すようになっている。
【0020】次に、本発明の第1実施例の作用について
説明する。図2に示すように、作動用レバー(17)を時計
方向に引っ張ると、作動用レバー(17)が作動用支点(21)
の回りに時計方向に回転し、これにより作動用レバー(1
7)の他端に接続している揺動レバー(30)の上端が揺部レ
バー枢着軸(22)の軌跡と共に移動し、揺動レバー(30)の
下端部を図中右側に移動させ、前述のようにカバー部材
(3)の突起部(3b)に当接し、カバー部材(3)を固定側パッ
ド(16)から離間する方向に押し出す。この時、カバー用
ばね(25)は伸長する事になる。揺動レバー(30)の突起部
(3b)に対する押圧力は前記引張ばね(19)の張力によって
与えられる事になるため、収縮した引張ばね(19)の張力
より伸長したカバー用ばね(25)の張力の方が弱いように
設定されている。
【0021】図2中、右側に押し出されたカバー部材
(3)の先端部(3a)では、本実施例では機構側脚(1ロ)の先
端部にほぼ一致する位置まで移動されられる事になる。
リンク棒(7)は引張ばね(19)の収縮と共に引き下げら
れ、上部リンクプレート(5)は上部支点軸(8)の回りに反
時計方向に回動し、吊環(6)はクランプ本体(1)側に沈み
込む事になる。一方、可動用パッド(15)は図2から分か
るようにリンク棒(7)の下方への移動と共に下部リンク
プレート(12)が下部支点軸(13)の回りに時計方向に回転
する事に伴って機構側脚(1ロ)側(換言すれば、固定側パ
ッド(16)から離間する方向)に移動し、固定側パッド(1
6)と可動用パッド(15)との間が広く開かれる事になる。
この時可動用パッド(15)と、機構側脚(1ロ)の先端並びに
カバー部材(3)の先端はほぼ一致した状態になるため、
吊上部材(T)を部材挿入凹所(1ニ)に挿入する場合の邪魔
になるという事がない。
【0022】吊上部材(T)を部材挿入凹所(1ニ)内に挿入
した後、図1に示すように作動リング(18)を反時計側に
引き上げると、作動用レバー(17)が作動用支点(21)の回
りに反時計方向に回転し、揺動レバー(30)を引き上げる
事になる。引張ばね(19)は作動用レバー(17)の反時計方
向の回動と共に伸長し、リンク棒(7)を引き上げる事に
なる。この時、作動用支点(21)を図中左側に越える事に
より、引張ばね(19)はクリックモーションにより作動リ
ング(18)から手を離したとしても、作動用レバー(17)が
時計方向に逆戻りする様な事がない。作動用レバー(17)
はストッパ(31)に当接して停止する事になる。
【0023】リンク棒(7)が引張ばね(19)によって引き
上げられると、揺動レバー(30)の下端もリンク棒(7)の
作動軸(23)の移動に合わせて図1中左側に移動し、カバ
ー部材(3)の突起部(3b)から離間する。これによりカバ
ー部材(3)はカバー用ばね(25)の引張力により、固定側
パッド(16)側に移動する事になる。又、リング棒(7)の
上方への移動により、下部リンクプレート(12)は反時計
側に回転し、可動用パッド(15)を固定側パッド(16)側に
移動させる事になる。これにより吊上部材(T)は可動用
パッド(15)と固定側パッド(16)にて引張ばね(19)のバネ
力により挟持され、同時にカバー部材(3)の先端部は吊
上部材(T)に当接もしくは近接して吊上部材(T)と機構側
脚(1ロ)の先端との間に発生する間隙(1ホ)を閉塞する事に
なる。
【0024】この時点での固定側パッド(16)と可動用パ
ッド(15)の挟持力は引張ばね(19)の引っ張り力のみによ
るため、さほど強いものではない。この状態で吊環(6)
を引き上げると、上部リンクプレート(5)が上部支点軸
(8)の回りに時計方向に回動しようとし、リンク棒(7)を
引き上げる事になる。その結果、吊上部材(T)とクラン
プ本体(1)の自重により可動用パッド(15)が固定側パッ
ド(16)側に移動しようとして吊環(6)と可動用パッド(1
5)によって吊上部材(T)を強く挟持する事になる。その
結果、吊上部材(T)を挟持したまま吊り上げる事が出来
るものである。
【0025】吊上部材(T)を前述のように吊り上げる
と、その状態で所定の場所まで移送する事になるのであ
るが、雑然とした建設作業現場にあっては、移送中や昇
降中にクランプ本体(1)が梁や柱等の障害物に接触する
事がある。この場合でもカバー部材(3)が存在するため
にクランプ本体(1)の機構側脚(1ロ)の先端部分と吊上部
材(T)との間の間隙(1ホ)に障害物が嵌まり込む事なく、
スムーズな移動が可能となる。所定の場所に到着し、ク
ランプ本体(1)を降下させるのであるが、この降下中に
障害物が先端部(3a)に接触したとしても先端部(3a)が傾
斜するように形成されているので、障害物がカバー部材
(3)に引っ掛かる事になく滑り、吊下装置(A)が障害物に
引っ掛かって吊り上げチェーンが緩み、吊環(6)が倒れ
てリンク機構(4)が緩み、固定側パッド(16)と可動用パ
ッド(15)の挟持力が引張ばね(19)の張力のみとなって吊
上部材(T)の自重に負け、吊上部材(T)が脱落するという
ような事態を回避出来る。
【0026】図4はカバー部材(3)の第2実施例で、こ
の場合はカバー部材(3)の上端を作動用支点(21)に枢着
する代わりに機構側脚(1ロ)の外側部に突出部を設け、作
動用支点軸(21A)にてカバー部材(3)を枢着した例であ
る。この場合は作動用支点軸(21A)の位置が機構側脚(1
ロ)の先端により近づく事になるので、カバー部材(3)の
突出量が第1実施例に比べて小さくなる。
【0027】図5、6は本発明の第3実施例で、一対の
逆C型のレバー状部材を連結部材にて連結してカバー部
材(3)を構成したものである。第2実施例及び第3実施
例では揺動レバー(30)の下端部分がカバー部材(3)に接
触しないので、この場合は下部リンクプレート(12)がカ
バー部材(3)の内側面に接触してカバー部材(3)を固定側
パッド(16)から離間する方向(図中右方向)に押し出す
ようになっている。
【0028】図7、8は本発明にかかるカバー部材(3)
の第4実施例で、この場合カバー部材(3)は爪状のもの
で、機構側脚(1ロ)の先端に設けられた作動用支点(21B)
に枢着されている。カバー部材(3)の上端にはバネ掛け
棒(26b)が設けられており、下部リンクプレート(12)に
設けられたバネ掛け用突起(12a)のバネ掛け棒(26a)との
間にカバー用ばね(25)が張設されており、下部リンクプ
レート(12)の運動と共にカバー部材(3)が作動用支点(21
B)の回りを回動して機構側脚(1ロ)の先端からカバー部材
(3)の先端部(3a)が突出又は後退するようになってい
る。これにより先端部(3a)にて間隙(1ホ)は閉塞される事
になる。
【発明の効果】本発明にかかる吊下装置は、可動側パッ
ドの運動と共に固定側パッドに近接離間するようにカバ
ー部が材機構側脚に取り付けられていて、可動側パッド
の突出時に可動側パッドと機構側脚との間を閉塞するよ
うになっているので、建材を吊り下げて移送する時、ま
たは昇降する時に吊下装置の機構側脚に構造物が接触し
ても引っ掛かる事がなく、常に移送中に建材が強い挟持
力で挟持される事になり、建材が脱落しない。Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a suspension device for suspending and moving a building material such as a panel. The present invention relates to a suspension device in which even when a structure collides with a mechanism-side leg, the mechanism-side leg is prevented from being caught by the structure to prevent the building material from falling off. 2. Description of the Related Art In a conventional suspension device (B), as shown in FIG. 9, an inverted U-shaped clamp body (1) and a link mounted in the clamp body (1). A mechanism (4), a suspension ring (6) attached to the upper end of the link mechanism (4) via an upper link plate (5), and a lower part of the link mechanism (4) attached via a lower link plate (12). Movable pad (15)
And a fixed-side pad (16) provided to face the movable pad (15). Pull up the suspension ring (6),
The movable pad (15) moves to the fixed pad (16) side by the action of the link mechanism (4), and the lifting member (T) stored in the member insertion recess (1 d) of the clamp body (1). The fixed side pad (16)
And strongly press by its own weight. The lifting member (T) is suspended while being held between the fixed pad (16) and the movable pad (15), and is transported to a destination position. Device (B)
If the mechanism side leg (1 b) or the fixed side leg (1 c) abuts on a protruding portion such as a column or a beam and is caught, the chain that lifts the lifting device (B) there (Not shown), the suspension ring (6) falls down, and the clamping force of the lifting member (T) by the fixed pad (16) and the movable pad (15) is increased by the tension spring ( There is a problem that only the pulling force of 19) cannot support the gravity of the lifting member (T), and the lifting member (T) falls off and falls there. [0004] The technical problem to be solved by the present invention is that when a building material is suspended and transported, or when the building material is lifted and lowered, a structure is not caught on a mechanism side leg of the suspension device, and is always present. This is to prevent the building material from falling off during the transfer, because the strong holding force continues to be applied to the building material during the transfer. [0005] A suspension device according to the present invention.
(A) is a horizontal part (1a), a mechanism-side leg (1b) protruding from one end of the horizontal part (1a), and a fixed part protruding from the other end of the horizontal part (1a). Inverted U-shaped clamp body composed of side legs (1 c)
(1) and a fixed pad (16) provided on the inner surface of the fixed leg (1c).
The fixed side pad provided on the inner surface of the mechanism side leg (1 b)
(16), the movable pad (15) for holding the lifting member (T) inserted between the legs (1 b) and (1 c) when projecting, and a suspension ring for suspending the clamp body (1) (6), the hanging ring (6) and the movable pad (15) are connected, and the movable pad (15) is attached to the mechanism side leg when the clamp body (1) is suspended.
A link mechanism (4) that protrudes from (1b), and a movable pad (1b) attached to the mechanism side leg (1b) so as to move close to and away from the fixed pad (1c) with the movement of the movable pad (15) When the (15) protrudes, the movable pad (15) and the mechanism side leg (1 b)
And a cover member (3) for closing the space between the two. According to this, when the movable pad (15) is separated from the fixed pad (16) and is moved toward the mechanism side leg (1b) (for example, a lifting member (T )), The cover member (3) moves in the direction away from the fixed pad (16) with the movement of the movable pad (15), and the member insertion recess ( 1) will open greatly. In this state, the lifting member (T) is inserted into the member insertion recess (1) of the clamp body (1), and the link mechanism (4) is operated to move the movable pad (15) to the fixed pad (16). Side, the fixed member (16) and the movable pad (15) sandwich the lifting member (T), and the lifting ring (6) is further pulled up to lift the lifting member (T) and the lifting device (A). ), The link mechanism (4) is actuated, and the lifting member (T) is strongly sandwiched between the fixed pad (16) and the movable pad (15) so that the lifting member (T) can be lifted. become. At this time, the fixed pad of the movable pad (15)
(16) As well as projecting to the side, the cover member (3) is also
6), and the gap (1 e) generated between the movable pad (15) and the tip of the mechanism side leg (1 b) is inserted into the tip (3) of the cover member (3).
Block by a). At this time, the tip of the tip (3a) is in contact with or very close to the clamp body (1). In this state, the lifting member (T) is lifted by the lifting device (A) and moved to a predetermined position. Suspension device when it reaches the specified position
(A) is lowered, and when the clamp body (1) reaches the ground, the suspension chain (not shown) is loosened and the suspension ring (6) falls down, and the link mechanism (4) is loosened and the lifting member is lifted. (T) is the clamp body
You will be separated from (1). [0008] While the lifting member (T) is being transferred or raised and lowered, the mechanism side leg (1b) or the fixed side leg (1) of the clamp body (1) is moved.
Even if (c) comes in contact with any obstacle, the gap (1e) generated between the lifting member (T) and the tip of the mechanism side leg (1b) is closed by the tip (3a) of the cover member (3). As a result, there is no obstacle in the gap (1 e), and the suspension device (A) slides on the tip (3a) and the suspension device (A) is caught by the obstacle, and the suspension chain becomes loose. There is no possibility that the link mechanism (4) becomes loose due to the fall of (6). This makes it possible to prevent the suspension member (T) from falling off during the transfer. A second aspect of the present invention limits the cover member (3) of the suspension device (A) according to the first aspect of the present invention.
The angle (θ) of the portion from (3a) to the outer side surface (3c) is formed to be an obtuse angle. Here, in particular, since the angle (θ) is formed so as to be an obtuse angle, even if an obstacle comes into contact with the tip (3a) of the cover member (3), the obstacle is inclined at the tip (3a). It does not slip on the tip (3a). Therefore, it is possible to more effectively prevent the suspension member (T) from falling off. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below with reference to the illustrated embodiments. FIG. 1 shows a first embodiment of a suspension device (A) according to the present invention, in which a clamp body (1) is divided into two parts, and comprises a mechanism-side body part (1a) and a fixed-side body part (1b). The connection bar (2a) of the connector (2) is inserted through the through hole formed in the mechanism side main body (1a) and the through hole formed in the fixed side main body (1b). ,
The mechanism-side main body (1a) and the fixed-side main body (1b) are connected and integrated by inverting the stopper (2b). Thereby, an inverted U-shaped clamp body in which a member insertion recess (1 d) is formed between the mechanism-side body part (1a) and the fixed-side body part (1b).
(1) will be configured. In the clamp body (1), (1a) is a horizontal portion where the horizontal portions of the mechanism-side main body portion (1a) and the fixed-side main body portion (1b) overlap with each other. It is to be connected. The length of the horizontal portion (1a) is determined by the through holes (three or more through holes) of the horizontal portion where the mechanism-side main body portion (1a) and the fixed-side main body portion (1b) overlap. It can be expanded and contracted by appropriate selection, and the width of the member insertion recess (1e) can be enlarged or reduced. As described above, the mechanism side leg (1b) extends from one end of the horizontal portion (1a), and the fixed side leg extends from the other end of the horizontal portion (1a).
(1c) is extending. Thus, an inverted U-shaped clamp body (1) having the member insertion recess (1) is formed. A fixed pad (1) is provided on the inner surface of the fixed leg (1c).
6) is provided. The fixed pad (16) includes a back plate (16a) and a resin pad (16b) integrally attached to the inner surface of the back plate (16a).
Urethane resin is generally used for the resin pad (16b). A link mechanism (4) is housed in the mechanism-side leg (1b), and a mechanism-side main body (1) is provided at an upper end of the link mechanism (4).
A suspension ring (6) is attached via a). A chain, a wire, etc. (not shown) will be attached to the suspension ring (6). Lower link plate at the lower end of link mechanism (4)
A movable pad (15) is attached via (12).
The movable pad (15) is composed of a back plate (15a) and a resin pad member (15b), and the back plate (15a) is screwed with a holding pin (15c) having a sharp tip.
The holding pin (15c) is fixed to the back plate (15a) by the fixing nut (15d). Nipping pin (15c)
The tip of is slightly protruding from the resin pad member (15b),
When the lifting member (T) is clamped between the fixed pad (16) and the movable pad (15), the tip of the clamping pin (15c) bites into the lifting member (T) to clamp the lifting member (T). It is designed to be more robust and reliable. The link mechanism (4) has its upper end pivotally connected to the upper link plate (5) and its lower end connected to the lower link plate.
A link rod (7) pivotally connected to (12), an L-shaped operation lever (17) having an operation ring (18) attached to the upper end thereof, and a pivot rod (17) pivotally connected to the other end of the operation lever (17). And an oscillating lever (30) into which an operating shaft (23) provided in the middle of the link rod (7) is slidably fitted. The link rod (7) and the upper link plate (5) are pivotally connected with an upper pivot shaft (9), and the suspension ring (6) and the upper link plate (5) are coupled with a suspension ring pivot shaft (10). Being pivoted. The upper link plate (5) is pivotally attached to the clamp body (1) at the upper fulcrum shaft (8),
When the suspension ring (6) is pulled up, the link rod (7) is pulled up about the upper fulcrum shaft (8). The lower end of the link rod (7) and the lower link plate
(12) is pivotally connected to a lower pivot shaft (11), and the movable pad (15) and the lower link plate (12) are pivotally connected to the pad (1).
It is pivoted at 4). Furthermore, lower link plate (12)
Is pivotally connected to the distal end of the mechanism side leg (1b) by a lower fulcrum shaft (13). The operating lever (17) is pivotally mounted on an operating fulcrum shaft (21), and an upper spring mounting portion (20) provided above the operating lever (17) and an operating shaft (10) of a link rod (7). A tension spring (19) is stretched between the lower spring mounting portion (24) and the lower spring mounting portion (24) provided in the vicinity of the lower spring mounting portion (24). Has been granted. When the operating ring (18) is pulled and the operating lever (17) is turned clockwise in FIG. 1, the upper pivot shaft (9)
Will fall to the right side beyond the operating fulcrum (21). This results in the state of FIG. Thereby, the tension spring (19) contracts, and the link mechanism (4) is loosened as shown in FIG. Conversely, as shown in FIG. 1, when the operating ring (18) is pulled counterclockwise and the tension spring (19) is positioned to the left of the operating fulcrum (21) (the state of FIG. 1), the upper spring mounting portion (20) and the tension spring (19) act between the lower spring mounting portion (24),
The link rod (7) is pulled up, and the movable pad (15) projects toward the fixed pad (16). An inverted cover member (3) is attached from the outer surface side of the mechanism side leg (1b) to the lower end, and the upper end of the cover member (3) is pivotally connected to the operating fulcrum (21). Is being worn. The distal end (3a) of the cover member (3) projects from the distal end of the mechanism-side leg (1b), and further has the distal end (3a) and the outer surface (3c).
Is formed at an obtuse angle. A spring hook pin (27) is provided inside the tip (3a), and the mechanism side leg
A cover spring (25) is stretched between the spring bar (26) provided at the end of (1) and the end of the cover member (3) from the end of the mechanism side leg (1). Forward, that is, the fixed pad (1
6) Tensile force is applied to project to the side. Cover material
A projection (3b) protrudes from the inner surface of the outer wall (3c) of (3). As shown in FIG. 2, the projection (3b) is used to push the cover member (3) rightward in the figure, and the operating ring (18) is pulled clockwise to rotate the swing lever (3). When the lower end of 30) protrudes to the right in FIG. 2, the protrusion (3b)
To the cover member (3) on the right side (that is, the fixed side pad).
(In the direction away from (16)). Next, the operation of the first embodiment of the present invention will be described. As shown in FIG. 2, when the operating lever (17) is pulled clockwise, the operating lever (17) is moved to the operating fulcrum (21).
Clockwise around the lever, which causes the actuating lever (1
The upper end of the swing lever (30) connected to the other end of (7) moves together with the trajectory of the swing lever pivot shaft (22), and the lower end of the swing lever (30) moves to the right in the figure. , Cover member as described above
The cover member (3) comes into contact with the projection (3b) of (3) and is pushed out in a direction away from the fixed pad (16). At this time, the cover spring (25) is extended. Projection of swing lever (30)
Since the pressing force on (3b) is given by the tension of the tension spring (19), the tension of the extended cover spring (25) is set to be smaller than the tension of the contracted tension spring (19). Have been. In FIG. 2, the cover member is pushed to the right.
In the present embodiment, the distal end (3a) of (3) is moved to a position substantially coinciding with the distal end of the mechanism-side leg (1b).
The link rod (7) is pulled down with the contraction of the tension spring (19), the upper link plate (5) rotates counterclockwise around the upper fulcrum axis (8), and the suspension ring (6) is connected to the clamp body (1). ). On the other hand, as can be seen from FIG. 2, the movable pad (15) moves downward of the link rod (7) and the lower link plate (12) rotates clockwise around the lower fulcrum axis (13). To the mechanism side leg (1b) side (in other words, the direction away from the fixed side pad (16)), and move to the fixed side pad (1
6) and the movable pad (15) are widely opened.
At this time, since the movable pad (15) and the tip of the mechanism side leg (1 b) and the tip of the cover member (3) are almost aligned,
There is no hindrance when inserting the lifting member (T) into the member insertion recess (1d). After the lifting member (T) is inserted into the member insertion recess (1), the operating ring (18) is pulled up counterclockwise as shown in FIG. It rotates counterclockwise around the operating fulcrum (21) and pulls up the swing lever (30). The tension spring (19) extends with the counterclockwise rotation of the operating lever (17), and pulls up the link rod (7). At this time, by moving the operating fulcrum (21) to the left side in the figure, even if the tension spring (19) releases the hand from the operating ring (18) due to click motion, the operating lever (17) moves clockwise. There's no going back. Operating lever (17)
Comes into contact with the stopper (31) and stops. When the link bar (7) is pulled up by the tension spring (19), the lower end of the swing lever (30) also moves to the left in FIG. 1 in accordance with the movement of the operating shaft (23) of the link bar (7). Then, it is separated from the protrusion (3b) of the cover member (3). This causes the cover member (3) to move toward the fixed pad (16) due to the tensile force of the cover spring (25). In addition, the upward movement of the ring rod (7) causes the lower link plate (12) to rotate counterclockwise, thereby moving the movable pad (15) to the fixed pad (16). As a result, the lifting member (T) is sandwiched between the movable pad (15) and the fixed pad (16) by the spring force of the tension spring (19), and at the same time, the distal end of the cover member (3) is The gap (1e) generated between the lifting member (T) and the distal end of the mechanism-side leg (1b) comes into contact with or close to T). The pinching force between the fixed side pad (16) and the movable pad (15) at this time is not so strong because it depends only on the pulling force of the tension spring (19). Hanging ring (6) in this state
The upper link plate (5) and the upper fulcrum shaft.
Attempting to rotate clockwise around (8) will pull up the link bar (7). As a result, the movable pad (15) tries to move toward the fixed pad (16) due to the weight of the lifting member (T) and the clamp body (1), and the suspension ring (6) and the movable pad (1) move.
By 5), the lifting member (T) is strongly held. As a result, it can be lifted while holding the lifting member (T). If the lifting member (T) is lifted as described above, it will be transported to a predetermined place in that state. However, in a cluttered construction work site, during the transportation or lifting and lowering, The clamp body (1) may come into contact with obstacles such as beams and columns. Even in this case, since the cover member (3) is present, an obstacle is fitted in the gap (1e) between the tip of the mechanism side leg (1b) of the clamp body (1) and the lifting member (T). Without getting stuck
Smooth movement becomes possible. When arriving at a predetermined place and lowering the clamp body (1), the tip (3a) is formed to be inclined even if an obstacle contacts the tip (3a) during this descent. So the obstacle is the cover member
Sliding without being caught by (3), the lifting device (A) is caught by an obstacle, the lifting chain is loosened, the suspension ring (6) falls down, the link mechanism (4) is loosened, and it can move with the fixed pad (16) A situation in which the holding force of the pad (15) becomes only the tension of the tension spring (19) and loses the weight of the lifting member (T), and the lifting member (T) falls off can be avoided. FIG. 4 shows a second embodiment of the cover member (3). In this case, instead of pivoting the upper end of the cover member (3) to the operating fulcrum (21), the outer side of the mechanism side leg (1B) is used. This is an example in which a projecting portion is provided in the portion, and the cover member (3) is pivotally attached to the operating fulcrum shaft (21A). In this case, the position of the operating fulcrum shaft (21A) is
Since it comes closer to the tip of (b), the protrusion amount of the cover member (3) is smaller than that of the first embodiment. FIGS. 5 and 6 show a third embodiment of the present invention, in which a pair of inverted C-shaped lever-shaped members are connected by a connecting member to form a cover member (3). In the second and third embodiments, since the lower end of the swing lever (30) does not contact the cover member (3), in this case, the lower link plate (12) contacts the inner surface of the cover member (3). Then, the cover member (3) is pushed out in a direction away from the fixed pad (16) (rightward in the figure). FIGS. 7 and 8 show a cover member (3) according to the present invention.
In the fourth embodiment, in this case, the cover member (3) has a claw shape, and an operating fulcrum (21B) provided at the tip of the mechanism side leg (1b).
Is pivoted to. A spring hook (26b) is provided on the upper end of the cover member (3), and a cover is provided between the spring hook (26a) of the spring hook projection (12a) provided on the lower link plate (12). A spring (25) is stretched, and the cover member (3) moves along with the movement of the lower link plate (12) to support the operating fulcrum (21).
B) and rotate the cover member from the tip of the mechanism side leg (1 b).
The tip (3a) of (3) projects or retreats. As a result, the gap (1e) is closed at the tip (3a). According to the suspension device of the present invention, the cover is attached to the material mechanism side leg so as to move closer to and away from the fixed side pad with the movement of the movable side pad. Because the pad is closed between the pad and the mechanism side leg, when the building material is suspended and transported, or when moving up and down, it does not get caught even if the structure contacts the suspension side mechanism side leg. However, the building material is always held with a strong holding force during the transfer, and the building material does not fall off.
【図面の簡単な説明】
【図1】本発明の第1実施例の建材吊り下げ状態を示す
正面図。
【図2】本発明の第1実施例の建材を吊り上げる前の状
態の正面図。
【図3】図2の右側面図。
【図4】本発明の第2実施例の正面図。
【図5】本発明の第3実施例の正面図。
【図6】図5の右側面図。
【図7】本発明の第4実施例の建材吊り下状態の正面
図。
【図8】本発明の第4実施例の建材吊り下げ前の正面
図。
【図9】従来例の吊下装置が障害物に引っ掛かった場合
の正面図。
【符号の説明】
(A)…吊下装置
(T)…吊上部材
(1)クランプ本体
(1イ)…水平部
(1ロ)…機構側脚
(1ハ)…固定側脚
(6)…吊環
(15)…可動側パッド
(16)…固定側パッドBRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a front view showing a suspended state of building materials according to a first embodiment of the present invention. FIG. 2 is a front view of a state before lifting a building material according to the first embodiment of the present invention. FIG. 3 is a right side view of FIG. 2; FIG. 4 is a front view of a second embodiment of the present invention. FIG. 5 is a front view of a third embodiment of the present invention. FIG. 6 is a right side view of FIG. FIG. 7 is a front view of a fourth embodiment of the present invention in a state where building materials are suspended. FIG. 8 is a front view of a fourth embodiment of the present invention before hanging a building material. FIG. 9 is a front view of a conventional suspension device when it is caught on an obstacle. [Description of Signs] (A): Suspension device (T): Lifting member (1) Clamp body (1A): Horizontal part (1 B): Mechanism side leg (1 C): Fixed side leg (6) … Hanging ring (15)… Movable pad (16)… Fixed pad
Claims (1)
に前記水平部の他端から突設された固定側脚とで構成さ
れた逆U字型のクランプ本体と、固定側脚の内側面に設
けられた固定側パッドと、機構側脚の内側面に設けら
れ、前記固定側パッドに近接離間し、突出時に両脚間に
挿入された吊上部材を挟持する可動側パッドと、クラン
プ本体を吊り下げる吊環と、前記吊環と可動側パッドと
を連結し、クランプ本体の吊り下げ時に可動側パッドを
機構側脚から突出させるリンク機構と、可動側パッドの
前記リンク運動と共に固定側パッドに近接離間するよう
に機構側脚に取り付けられ、可動側パッドの突出時に可
動側パッドと機構側脚との間に発生した間隙を閉塞する
カバー部材とで構成された事を特徴とする吊下装置。(57) Claims: An inverted U-shape comprising a horizontal portion, a mechanism side leg protruding from one end of the horizontal portion, and a fixed side leg protruding from the other end of the horizontal portion. A clamp body, a fixed pad provided on the inner surface of the fixed leg, and a lifting member provided on the inner surface of the mechanism leg, which is close to and separated from the fixed pad, and which is inserted between the legs when projecting. A movable side pad to be clamped, a suspension ring for suspending the clamp body, a link mechanism connecting the suspension ring and the movable side pad, and projecting the movable side pad from the mechanism side leg when suspending the clamp body; A cover member attached to the mechanism-side leg so as to approach and separate from the fixed-side pad together with the link movement, and to close a gap generated between the movable-side pad and the mechanism-side leg when the movable-side pad projects. Suspension equipment characterized by
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9304594A JP3325701B2 (en) | 1994-04-05 | 1994-04-05 | Suspension device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9304594A JP3325701B2 (en) | 1994-04-05 | 1994-04-05 | Suspension device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH07277669A JPH07277669A (en) | 1995-10-24 |
JP3325701B2 true JP3325701B2 (en) | 2002-09-17 |
Family
ID=14071542
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9304594A Expired - Lifetime JP3325701B2 (en) | 1994-04-05 | 1994-04-05 | Suspension device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP3325701B2 (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2003057613A1 (en) * | 2002-01-14 | 2003-07-17 | Abaco Machines (Australasia) Pty Ltd | Clamping device for lifting slab, panel, or sheet material |
DE102005010389B4 (en) * | 2004-01-07 | 2010-08-05 | Abaco Machines (Australasia) Pty Ltd. | Clamping device for lifting plate, panel or sheet metal material |
US7156436B2 (en) * | 2005-03-07 | 2007-01-02 | Abaco Machines (Australasia) Pty Ltd | Clamping device having an actuating carriage which moves a movable jaw toward a stationary jaw |
JP5754235B2 (en) * | 2011-05-10 | 2015-07-29 | コベルコ建機株式会社 | Dismantling machine |
JP5843493B2 (en) * | 2011-06-23 | 2016-01-13 | イーグルクランプ株式会社 | Hanging clamp |
KR101694695B1 (en) * | 2015-07-14 | 2017-01-10 | 김동기 | Steel plate clamp |
-
1994
- 1994-04-05 JP JP9304594A patent/JP3325701B2/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPH07277669A (en) | 1995-10-24 |
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