JPH1160174A - Lifter - Google Patents
LifterInfo
- Publication number
- JPH1160174A JPH1160174A JP22321897A JP22321897A JPH1160174A JP H1160174 A JPH1160174 A JP H1160174A JP 22321897 A JP22321897 A JP 22321897A JP 22321897 A JP22321897 A JP 22321897A JP H1160174 A JPH1160174 A JP H1160174A
- Authority
- JP
- Japan
- Prior art keywords
- lifter
- column
- pit
- frame
- hanging bar
- 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.)
- Granted
Links
Landscapes
- Handcart (AREA)
- Forklifts And Lifting Vehicles (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、工場のピット内に
固定的に設けられるリフタに関する。The present invention relates to a lifter fixedly provided in a pit of a factory.
【０００２】[0002]
【従来の技術】一般に、印刷工場において、大型印刷機
の例えばインカー部のメンテナンスを行う場合、図４に
示すように、可動リフタ１００を印刷機１０１の内部に
搬入し、そのテーブル１０２をプラットフォームとして
オペレータ１０３がテーブル１０２上に乗って作業を行
っている。そして、印刷が再開されると、メンテナンス
時に用いていた可動リフタ１００は、機外に搬出され
る。2. Description of the Related Art Generally, when performing maintenance of a large printing machine, for example, an inker section in a printing factory, a movable lifter 100 is carried into a printing machine 101 as shown in FIG. An operator 103 is performing work on the table 102. Then, when printing is resumed, the movable lifter 100 used at the time of maintenance is carried out of the machine.
【０００３】ところで、可動リフタ１００を機外に搬出
しただけでは、可動リフタ１００の周りで作業をしてい
る作業者の邪魔になるので、従来は、図５に示すよう
に、工場のピット１０４内に格納して、メンテナンス時
のみ可動リフタ１００を使用していた。By the way, if the movable lifter 100 is simply carried out of the machine, the worker working around the movable lifter 100 is obstructed. Therefore, conventionally, as shown in FIG. And the movable lifter 100 was used only during maintenance.
【０００４】即ち、ピット１０４内には固定リフタ１０
５が設けられ、この固定リフタ１０５のテーブル１０６
上に可動リフタ１００を搭載すると共に、テーブル１０
６上に設けた架構体１０７内を可動リフタ１００が車輪
１０８により出入り可能になっている。尚、架構体１０
７の上面は、可動リフタ１００の格納時において、フロ
ア上の床面Ｇと略同一高さとなるように天板１０９で塞
がれている。また、可動リフタ１００の使用時におい
て、フロア上の床面Ｇとテーブル１０６とが略同一高さ
となるようになっている。That is, the fixed lifter 10 is provided in the pit 104.
5 is provided, and the table 106 of the fixed lifter 105 is provided.
The movable lifter 100 is mounted on the
The movable lifter 100 can be moved in and out of the frame structure 107 provided on the vehicle 6 by wheels 108. The frame 10
When the movable lifter 100 is stored, the upper surface of the top 7 is closed with a top plate 109 so as to be substantially the same height as the floor surface G on the floor. Further, when the movable lifter 100 is used, the floor surface G on the floor and the table 106 have substantially the same height.
【０００５】[0005]
【発明が解決しようとする課題】ところで、ピット１０
４は、工場によっては掘る深さに限界があり、あまり深
くは掘れないところがある。このような場合、架構体１
０７の高さも自ずと制限されるため、可動リフタ１００
の使用時には、フロア上にリフトアップされた架構体１
０７の高さが不十分で、作業者が可動リフタ１００に乗
ったまま架構体１０７内を出入りすることができないほ
か作業者が徒歩で架構体１０７内を通過することが困難
であるなどで、工場内の作業性を著しく低下させてい
た。The pit 10
In the case of No. 4, there is a limit to the digging depth depending on the factory, and there are places where the digging cannot be performed too deeply. In such a case, the frame 1
07 is naturally restricted, so that the movable lifter 100
At the time of use, the frame 1 lifted up on the floor
07 is not high enough to allow the worker to get in and out of the frame 107 while riding on the movable lifter 100, and it is difficult for the worker to pass through the frame 107 on foot. Workability in the factory was significantly reduced.
【０００６】そこで、本発明の目的は、架構体の高さを
可変に構成して工場内の作業性を向上させられるリフタ
を提供することにある。Accordingly, an object of the present invention is to provide a lifter capable of improving the workability in a factory by arranging the height of a frame structure variably.
【０００７】[0007]
【課題を解決するための手段】前記目的を達成するため
に、本発明に係るリフタは下記のように構成される。 （１）ピット内を昇降可能なテーブル上に天板を備えた
架構体を設けると共に、この架構体の支持柱を伸縮自在
に形成し、前記テーブルの昇降動作に連動して支持柱を
伸縮させ同テーブルの上昇に伴い天板をテーブルに対し
て移動させる連動機構を設けたことを特徴とする。In order to achieve the above object, a lifter according to the present invention is configured as follows. (1) A frame having a top plate is provided on a table that can be moved up and down in the pit, and the support columns of the frame are formed to be extendable and contractible, and the support columns are extended and contracted in conjunction with the elevation of the table. An interlocking mechanism for moving the top plate with respect to the table as the table is raised is provided.
【０００８】（２）前記支持柱は内柱と外柱からなるこ
とを特徴とする(2) The support column is composed of an inner column and an outer column.
【０００９】（３）前記連動機構は、テーブルの下側方
に配設される吊り下げバーと、該吊り下げバーに一端が
係止され他端側が内柱上端のスプロケットを巻回した後
外柱の下端に係止される複数本のチェーンと、前記テー
ブルの所定の上昇位置で前記吊り下げバーに係合して該
吊り下げバーのそれ以後の上昇を阻止すべくピット内壁
に固設された固定バーとを有することを特徴とする。(3) The interlocking mechanism comprises: a hanging bar disposed on a lower side of the table; and a sprocket having one end locked to the hanging bar and the other end on the upper end of the inner pillar. A plurality of chains locked to the lower end of the column, and fixed to the inner wall of the pit so as to engage with the hanging bar at a predetermined rising position of the table and to prevent the hanging bar from rising further. Fixed bar.
【００１０】［作用］ （１）項によれば、リフトダウン時には、支持柱を収縮
させて架構体の高さを低くした状態でピット内に収納で
き、リフトアップ時には、逆に支持柱を伸長させて架構
体の高さを高くでき、作業者の邪魔になることはない。
しかも上記動作はリフトの昇降動作に連動して自動的に
行われる。[Action] According to item (1), at the time of lift-down, the support column can be retracted into the pit in a state where the height of the frame body is reduced by contracting, and at the time of lift-up, the support column is extended. As a result, the height of the frame can be increased, and does not disturb the operator.
In addition, the above operation is automatically performed in conjunction with the lifting operation of the lift.
【００１１】（２）項によれば、支持柱は内柱と外柱か
らなるので、簡単な構造で支持柱を伸縮させられる。According to the mode (2), since the support column is composed of the inner column and the outer column, the support column can be expanded and contracted with a simple structure.
【００１２】（３）項によれば、リフトアップ途中で、
吊り下げバーが固定バーに係合することで、それ以後テ
ーブルの上昇に伴いチェーンに引っ張られて外柱が内柱
に対し伸長され、リフトアップ時の架構体の高さが高め
られる。According to the item (3), during the lift-up,
When the hanging bar is engaged with the fixed bar, the outer pillar is extended with respect to the inner pillar by being pulled by the chain with the rise of the table thereafter, and the height of the frame body at the time of lift-up is increased.
【００１３】[0013]
【発明の実施の形態】本発明に係るリフタを実施例によ
り詳細に説明する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A lifter according to the present invention will be described in detail with reference to embodiments.
【００１４】［実施例］図１はリフタのアップ時の正面
及び側面図、図２は同じくダウン時の正面及び側面図、
図３はチェーンの掛け回し状態の説明図である。FIG. 1 is a front and side view of the lifter when it is up, FIG. 2 is a front and side view of the same when it is down,
FIG. 3 is an explanatory diagram of a state in which the chain is wound.
【００１５】図１及び図２に示すように、深さＨのピッ
ト１０４内に固定リフタ１を介して車輪１０８付きの可
動リフタ１００が格納されている。As shown in FIGS. 1 and 2, a movable lifter 100 with wheels 108 is stored in a pit 104 having a depth H via a fixed lifter 1.
【００１６】前記固定リフタ１は、ベース２上にパンダ
グラフ式のリンク機構３を介してテーブル４が支持さ
れ、図示しない油圧シリンダの伸縮でリンク機構３が拡
縮変形することで、テーブル４がピット１０４内をスト
ロークＳ１だけ昇降するようになっている。In the fixed lifter 1, a table 4 is supported on a base 2 via a pandagraph-type link mechanism 3, and the link mechanism 3 is expanded and contracted by the expansion and contraction of a hydraulic cylinder (not shown). The inside of the cylinder 104 is moved up and down by a stroke S1.
【００１７】前記テーブル４上には架構体５が組み立て
られ、この架構体５の６本からなるすべての支持柱６
は、内柱６ａと外柱６ｂとで両柱の嵌合部分で、上下方
向に伸縮自在に形成されている。A frame 5 is assembled on the table 4, and all the supporting columns 6 composed of the six frames 5 are provided.
Is formed at the fitting portion between the inner pillar 6a and the outer pillar 6b so as to be vertically expandable and contractible.
【００１８】そして、前記テーブル４の昇降動作に連動
して前記支持柱６を伸縮させ、同テーブル４の上昇に伴
い外柱６ｂを内柱６ａに対し上方へ伸長移動させる連動
機構Ａが設けられる。An interlocking mechanism A is provided for extending and retracting the support column 6 in conjunction with the raising and lowering operation of the table 4 and extending the outer column 6b upward with respect to the inner column 6a as the table 4 is raised. .
【００１９】この連動機構Ａは、図３にも示すように、
テーブル４の下側方に配設される四角枠状の吊り下げバ
ー７と、該吊り下げバー７に一端が係止され他端側が内
柱６ａ上端のスプロケット８を巻回した後外柱６ｂの下
端に係止される６本のチェーン９と、前記テーブル４の
所定の上昇位置で前記吊り下げバー７に係合して該吊り
下げバー７のそれ以後の上昇を阻止すべくピット１０４
の前，後両内壁間に架設された左右二本の固定バー１０
とを有する。This interlocking mechanism A is, as shown in FIG.
A rectangular frame-shaped hanging bar 7 disposed on the lower side of the table 4, an outer pillar 6b having one end locked to the hanging bar 7 and the other end wound around a sprocket 8 at an upper end of an inner pillar 6a. And six pits 104 engaged with the hanging bar 7 at a predetermined raised position of the table 4 to prevent the hanging bar 7 from being further raised.
Right and left two fixed bars 10 installed between the front and rear inner walls
And
【００２０】図示例では、前記チェーン９の上端はピン
１１に連結され、このピン１１が外柱６ｂの下端に形成
した切欠き１２内に嵌合して上方に係り止めされてい
る。一方、チェーン９の下端は吊り下げバー７にボルト
１３で結合され、若干の長さ調整が可能になっている
（図３参照）。尚、図中１４は天板である。In the illustrated example, the upper end of the chain 9 is connected to a pin 11, and this pin 11 is fitted into a notch 12 formed at the lower end of the outer pillar 6b and is engaged upward. On the other hand, the lower end of the chain 9 is connected to the suspension bar 7 with bolts 13 so that the length can be adjusted slightly (see FIG. 3). In addition, 14 in the figure is a top plate.
【００２１】このように構成されるため、リフトダウン
時には、図２に示すように、外柱６ｂは自重で内柱６ａ
に深く嵌合し、支持柱６は収縮した状態即ち、架構体５
の高さを低くした状態でピット１０４内に収められる。
この時の支持柱６の長さは、固定リフタ１のストローク
Ｓ１と同一に設定され、リフトダウン時には天板１４と
フロア上の床面Ｇとが略同一高さになるようになってい
る。With such a configuration, the outer pillar 6b is under its own weight during lift-down, as shown in FIG.
And the support column 6 is in a contracted state, that is, the frame 5
Are stored in the pits 104 with the height of the pits 104 lowered.
At this time, the length of the support column 6 is set to be the same as the stroke S1 of the fixed lifter 1, so that the top plate 14 and the floor surface G on the floor are substantially at the same height during lift-down.
【００２２】一方、リフトアップ時には、図１に示すよ
うに、テーブル４の上昇行程後半で、吊り下げバー７が
固定バー１０に係合することで、それ以後テーブル４の
上昇に伴いチェーン９に引っ張られて外柱６ｂが内柱６
ａに対し上方へ伸長（抜出）され、リフトアップ時の架
構体５の高さがＳ２（吊り下げバー７が固定バー１０に
係合した後の固定リフタ１のストローク量）分だけ高め
られ、また、フロア上の床面Ｇとテーブル４とが略同一
高さとなるようになる。On the other hand, when the table 4 is lifted up, as shown in FIG. The outer pillar 6b is pulled and the inner pillar 6 is pulled.
a, the height of the frame body 5 at the time of lift-up is increased by S2 (stroke amount of the fixed lifter 1 after the hanging bar 7 is engaged with the fixed bar 10). Further, the floor surface G on the floor and the table 4 are substantially at the same height.
【００２３】このようにして、ピット１０４の深さＨを
十分に確保することができない場合でも、架構体５の高
さを可変にすることで、リフトアップ時とリフトダウン
時の両方において好都合な固定リフタ１が実現される。As described above, even when the depth H of the pit 104 cannot be sufficiently ensured, the height of the frame structure 5 is made variable, so that both the lift-up and the lift-down are convenient. The fixed lifter 1 is realized.
【００２４】即ち、リフトアップ時には、架構体５の高
さが高められ、これにより、作業者が楽に架構体５内を
通り抜けることができると共に、可動リフタ１００に作
業者が乗ったままで架構体５内を出入りすることがで
き、工場内の作業性が向上される。一方、リフトダウン
時には、架構体５の高さを低くして、ピット１０４内に
コンパクトに収納できると共に、作業者が天板１４上を
徒歩で通過することもできる。That is, at the time of lift-up, the height of the frame structure 5 is increased, so that the worker can easily pass through the inside of the frame structure 5, and while the worker is on the movable lifter 100, It is possible to get in and out of the inside, and workability in the factory is improved. On the other hand, at the time of lift-down, the height of the frame structure 5 can be reduced so that the frame structure 5 can be compactly stored in the pit 104, and the worker can pass on the top board 14 on foot.
【００２５】尚、本実施例では、内柱と天板を備えた外
柱を用いて、外柱が内柱に対して上昇するようにした
が、天板を備えた内柱と外柱を用いて、内柱が外柱に対
して上昇するように構成しても良い。また、本発明は上
記実施例に限定されず、連動機構Ａに他の構造のものを
用いる等各種変更が可能なことは言うまでもない。ま
た、本発明のリフタは印刷工場に限らず、あらゆる工場
に適用できる。In this embodiment, the outer pillar having the inner pillar and the top plate is used to raise the outer pillar with respect to the inner pillar. It may be configured so that the inner pillar rises with respect to the outer pillar. Further, the present invention is not limited to the above-described embodiment, and it goes without saying that various changes can be made, such as using another structure for the interlocking mechanism A. Further, the lifter of the present invention is not limited to a printing factory, and can be applied to any factory.
【００２６】[0026]
【発明の効果】請求項１の発明によれば、ピット内を昇
降可能なテーブル上に天板を備えた架構体を設けると共
に、この架構体の支持柱を伸縮自在に形成し、前記テー
ブルの昇降動作に連動して支持柱を伸縮させ同テーブル
の上昇に伴い天板をテーブルに対して移動させる連動機
構を設けたので、リフトダウン時には、支持柱を収縮さ
せて架構体の高さを低くした状態でピット内に収納で
き、リフトアップ時には、逆に支持柱を伸長させて架構
体の高さを高くでき、ピット深さを十分に採ることがで
きない工場においても、工場内の作業性を著しく向上さ
せられる。According to the first aspect of the present invention, a frame having a top plate is provided on a table which can be moved up and down in a pit, and support columns of the frame are formed to be extendable and contractible. An interlocking mechanism that expands and contracts the support columns in conjunction with the elevating operation and moves the top plate relative to the table as the table moves up is provided, so when lifting down, the support columns are contracted to lower the height of the frame. It can be stored in the pit in a state where it has been lifted, and at the time of lift-up, the support pillar can be extended to increase the height of the frame structure, and even in a factory where the pit depth can not be sufficiently taken, workability in the factory is Significantly improved.
【００２７】請求項２の発明によれば、支持柱は内柱と
外柱からなるので、簡単な構造で支持柱を伸縮させられ
る。According to the second aspect of the present invention, since the supporting column is composed of the inner column and the outer column, the supporting column can be expanded and contracted with a simple structure.
【００２８】請求項３の発明によれば、連動機構は、テ
ーブルの下側方に配設される吊り下げバーと、該吊り下
げバーに一端が係止され他端側が内柱上端のスプロケッ
トを巻回した後外柱の下端に係止される複数本のチェー
ンと、前記テーブルの所定の上昇位置で前記吊り下げバ
ーに係合して該吊り下げバーのそれ以後の上昇を阻止す
べくピット内壁に固設された固定バーとを有するので、
簡単な構造で且つ安価に連動機構が実現される。According to the third aspect of the present invention, the interlocking mechanism includes a hanging bar disposed below the table, and a sprocket having one end locked to the hanging bar and the other end on the upper end of the inner column. A plurality of chains that are locked to the lower end of the outer pillar after being wound, and a pit that engages with the hanging bar at a predetermined raised position of the table to prevent the hanging bar from being further raised. Since it has a fixed bar fixed to the inner wall,
The interlocking mechanism is realized with a simple structure and at low cost.
【図１】本発明の一実施例を示すリフタのアップ時の正
面及び側面図である。FIG. 1 is a front view and a side view of a lifter according to an embodiment of the present invention when the lifter is up.
【図２】同じくダウン時の正面及び側面図である。FIG. 2 is a front view and a side view when the camera is down.
【図３】同じくチェーンの掛け回し状態の説明図であ
る。FIG. 3 is an explanatory view of a state in which a chain is looped.
【図４】可動リフタの使用状態の説明図である。FIG. 4 is an explanatory diagram of a use state of a movable lifter.
【図５】従来の固定リフタの説明図である。FIG. 5 is an explanatory view of a conventional fixed lifter.
１ 固定リフタ ２ ベース ３ リンク機構 ４ テーブル ５ 架構体 ６ 支持柱 ６ａ 内柱 ６ｂ 外柱 ７ 吊り下げバー ８ スプロケット ９ チェーン １０ 固定バー １４ 天板 １００ 可動リフタ １０４ ピット Ａ 連動機構 Ｇ 床面 DESCRIPTION OF SYMBOLS 1 Fixed lifter 2 Base 3 Link mechanism 4 Table 5 Frame 6 Supporting column 6a Inner column 6b Outer column 7 Hanging bar 8 Sprocket 9 Chain 10 Fixed bar 14 Top plate 100 Movable lifter 104 Pit A Interlocking mechanism G Floor surface
フロントページの続き (72)発明者 金山 智哉 千葉県東葛飾郡関宿町桐ヶ作210番地 株 式会社小森コーポレーション関宿プラント 内Continued on front page (72) Inventor Tomoya Kanayama 210 Kirigasaku, Sekijuku-cho, Higashi-Katsushika-gun, Chiba Prefecture Inside of Komori Corporation Sekijuku Plant
Claims (3)
を備えた架構体を設けると共に、この架構体の支持柱を
伸縮自在に形成し、前記テーブルの昇降動作に連動して
支持柱を伸縮させ同テーブルの上昇に伴い天板をテーブ
ルに対して移動させる連動機構を設けたことを特徴とす
るリフタ。1. A frame having a top plate is provided on a table which can be raised and lowered in a pit, and a support column of the frame is formed so as to be extendable and retractable. A lifter having an interlocking mechanism that expands and contracts and moves the top plate relative to the table as the table rises.
特徴とする請求項１記載のリフタ。2. The lifter according to claim 1, wherein the support column includes an inner column and an outer column.
設される吊り下げバーと、該吊り下げバーに一端が係止
され他端側が内柱上端のスプロケットを巻回した後外柱
の下端に係止される複数本のチェーンと、前記テーブル
の所定の上昇位置で前記吊り下げバーに係合して該吊り
下げバーのそれ以後の上昇を阻止すべくピット内壁に固
設された固定バーとを有することを特徴とする請求項２
記載のリフタ。3. An interlocking mechanism comprising: a hanging bar disposed on a lower side of a table; and an outer post formed by winding a sprocket at one end of the hanging bar and the other end at an upper end of an inner post. And a plurality of chains locked to the lower end of the pit, and fixed to the inner wall of the pit so as to engage with the hanging bar at a predetermined raised position of the table to prevent the hanging bar from being raised further. 3. The apparatus according to claim 2, further comprising a fixing bar.
The described lifter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP22321897A JP3894384B2 (en) | 1997-08-20 | 1997-08-20 | Lifter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP22321897A JP3894384B2 (en) | 1997-08-20 | 1997-08-20 | Lifter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH1160174A true JPH1160174A (en) | 1999-03-02 |
| JP3894384B2 JP3894384B2 (en) | 2007-03-22 |
Family
ID=16794651
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP22321897A Expired - Fee Related JP3894384B2 (en) | 1997-08-20 | 1997-08-20 | Lifter |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3894384B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1275611A1 (en) * | 2001-07-09 | 2003-01-15 | Heidelberger Druckmaschinen Aktiengesellschaft | Scissor type lifting table |
| JP2021181350A (en) * | 2020-05-18 | 2021-11-25 | 株式会社大谷機械製作所 | Workbench and processing equipment |
-
1997
- 1997-08-20 JP JP22321897A patent/JP3894384B2/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1275611A1 (en) * | 2001-07-09 | 2003-01-15 | Heidelberger Druckmaschinen Aktiengesellschaft | Scissor type lifting table |
| US6672430B2 (en) | 2001-07-09 | 2004-01-06 | Heidelberger Druckmaschinen Ag | Device and method for adjusting a force applied to a movable element |
| JP2021181350A (en) * | 2020-05-18 | 2021-11-25 | 株式会社大谷機械製作所 | Workbench and processing equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3894384B2 (en) | 2007-03-22 |
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