JP2003226491A - Lift device - Google Patents
Lift deviceInfo
- Publication number
- JP2003226491A JP2003226491A JP2002349013A JP2002349013A JP2003226491A JP 2003226491 A JP2003226491 A JP 2003226491A JP 2002349013 A JP2002349013 A JP 2002349013A JP 2002349013 A JP2002349013 A JP 2002349013A JP 2003226491 A JP2003226491 A JP 2003226491A
- Authority
- JP
- Japan
- Prior art keywords
- movable body
- machine frame
- vertical
- vertical machine
- roller
- 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
- Forklifts And Lifting Vehicles (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、袋詰め穀類等を搬
出し易い高さまで上昇させる等の用途に供する昇降装置
に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lifting device for raising bagged grains or the like to a height at which they can be easily carried out.
【０００２】[0002]
【従来の技術】この種の昇降機としては、例えば、特開
平９−３０１６９５号公報、特開２００１−４８１０２
号公報または特開平１０−１６７７００号公報に掲載さ
れているものなどが知られている。2. Description of the Related Art As an elevator of this type, for example, JP-A-9-301695 and JP-A-2001-48102.
Those disclosed in Japanese Patent Laid-Open No. 10-167700 or Japanese Patent Laid-Open No. 10-167700 are known.
【０００３】[0003]
【発明が解決しようとする課題】前掲の特開平９−３０
１６９５号公報に掲載されているように、垂直機枠に対
して昇降台を昇降自在に支持する可動体が芯体を成すス
クリューにより支持されている構成では、可動体のロー
ラによる支持構造を必要としないか、あるいはスクリュ
ーによる可動体の昇降動作を円滑にするために１つだけ
ですむが、可動体の支持強度が劣り、昇降時に可動体が
横振れを起こしやすいものである。一方、特開２００１
−４８１０２号公報または特開平１０−１６７７００号
公報に掲載しているように、垂直機枠を備えていて、昇
降台を昇降自在に支持する可動体をチェーンで吊って上
げ下げする構成では、可動体の昇降にともなう横振れを
防止するため、可動体に垂直機枠の各面に対する支持ロ
ーラを多数備えた構造とすることを余儀なくされている
のが実情である。DISCLOSURE OF THE INVENTION Problems to be Solved by the Invention
As disclosed in Japanese Patent No. 1695, in a configuration in which a movable body that supports an elevating platform so that it can be raised and lowered with respect to a vertical machine frame is supported by a screw that forms a core body, a structure for supporting the movable body by rollers is required. If not, or only one is required to facilitate the lifting and lowering operation of the movable body by the screw, but the supporting strength of the movable body is poor, and the movable body is liable to shake laterally when moving up and down. On the other hand, Japanese Unexamined Patent Publication No. 2001
As disclosed in Japanese Patent Laid-Open No. 48102 or Japanese Patent Laid-Open No. 10-167700, a movable body is provided with a vertical machine frame, and a movable body that supports an elevating table is lifted and lowered by a chain. In order to prevent the lateral shake caused by the vertical movement of the movable body, it is inevitable that the movable body has a structure provided with a large number of supporting rollers for each surface of the vertical machine frame.
【０００４】そこで、本発明は、垂直機枠に可動体を介
して支持された昇降台を備え、可動体を電動により昇降
させる昇降装置において、機能を何ら低下させることな
く昇降台を垂直機枠に昇降支持する可動体の支持構造を
大幅に簡素化することを目的とするものであって、可動
体の下部側に垂直機枠の前側支持面の表面を、かつ上部
側に裏面をそれぞれ支持するローラを備えて、可動体を
垂直機枠の前側支持面を挟んで昇降自在に支持すること
により、可動体が横振れを起こすことがなく、昇降台に
載せる物の重量如何にかかわらず、円滑に上昇搬送する
ことができる昇降装置を提供するものである。In view of this, the present invention provides an elevating device which is supported by a vertical machine frame through a movable body and electrically elevates and lowers the movable body. The purpose of this is to greatly simplify the support structure for the movable body that is lifted up and down, and the front side of the front side of the vertical machine frame is supported on the lower side of the movable body and the back side is supported on the upper side. By supporting the movable body in a vertically movable manner with the front support surface of the vertical machine frame interposed therebetween, the movable body does not shake laterally, regardless of the weight of the object to be placed on the lift base. An elevating device capable of smoothly ascending and conveying.
【０００５】[0005]
【課題を解決するための手段】上記目的を達成するため
の本発明に係る請求項１記載の昇降装置は、垂直機枠に
可動体を介して支持された昇降台を備え、可動体を電動
により昇降させる昇降装置において、垂直機枠内の下部
に電動駆動機を設け、この電動駆動機の出力軸と垂直機
枠の上端部に設けた回転吊軸との間に懸架したチェーン
の両端を上記可動体に連結して電動駆動機により可動体
が昇降するように構成されており、可動体はその下部側
に垂直機枠の前側支持面の表面を、かつ上部側に裏面を
それぞれ支持するローラを備えていて、可動体を垂直機
枠の前側支持面を挟んで昇降自在に支持して成ることを
特徴とするものである。According to a first aspect of the present invention, there is provided an elevating and lowering device which is supported by a vertical machine frame via a movable body, and the movable body is electrically driven. In an elevating device that is moved up and down by an electric drive machine at the bottom of the vertical machine frame, the ends of the chain suspended between the output shaft of this electric drive machine and the rotary suspension shaft provided at the upper end of the vertical machine frame are The movable body is configured to move up and down by an electric drive connected to the movable body, and the movable body supports a front surface of a front side support surface of a vertical machine frame on its lower side and a back surface on its upper side. A roller is provided, and the movable body is supported so as to be able to move up and down with the front side support surface of the vertical machine frame interposed therebetween.
【０００６】本発明に係る請求項２記載の昇降装置は、
請求項１の構成において、可動体を垂直機枠の前側支持
面の裏面に支持するローラは、可動体の上端部と上下略
中間部の２段にわたって設けたことを特徴とするもので
ある。A lifting device according to a second aspect of the present invention is
In the structure of claim 1, the roller for supporting the movable body on the back surface of the front side support surface of the vertical machine frame is provided in two stages of the upper end portion of the movable body and the substantially middle portion in the vertical direction.
【０００７】本発明に係る請求項３記載の昇降装置は、
請求項１または２の構成において、垂直機枠内の下部に
設ける電動機は、それを設ける部位の一方または他方の
側面から電動駆動機を挿入して取り付けることを特徴と
するものである。A lifting device according to a third aspect of the present invention is
In the structure of claim 1 or 2, the electric motor provided in the lower portion in the vertical machine frame is characterized in that the electric drive motor is inserted and attached from one or the other side surface of the portion where the vertical electric machine frame is provided.
【０００８】本発明に係る請求項４記載の昇降装置は、
請求項１ないし３のいずれかに記載の構成において、可
動体は、その最下降状態で電動駆動機を避ける形状を成
す下方延出部を有しており、垂直機枠の前側支持面の表
面に支持するローラを下部延出部の下端部に、裏面を支
持するローラを可動体の上端部または上端部と上下略中
間部にそれぞれ設けたことを特徴とするものである。The lifting device according to claim 4 of the present invention is
The structure according to any one of claims 1 to 3, wherein the movable body has a downward extending portion having a shape that avoids the electric drive machine in the lowermost state, and the surface of the front support surface of the vertical machine frame. The roller for supporting the lower part is provided at the lower end of the lower extension part, and the roller for supporting the back surface is provided at the upper end part of the movable body or at the upper and lower intermediate parts, respectively.
【０００９】本発明に係る請求項５記載の昇降装置は、
請求項４の構成において、可動体の下方延出部は、後方
からみて前方に凹状の湾曲部を有していることを特徴と
するものである。A lifting device according to a fifth aspect of the present invention is
According to a fourth aspect of the present invention, the downwardly extending portion of the movable body has a curved portion that is concave toward the front when viewed from the rear.
【００１０】本発明に係る請求項６記載の昇降装置は、
請求項１ないし５のいずれかの構成において、垂直機枠
の前側支持面は、表面または裏面のいずれか一方または
両方が可動体のローラの横振れを防止する上下案内構造
を成していることを特徴とするものである。A lifting device according to a sixth aspect of the present invention is
6. The structure according to any one of claims 1 to 5, wherein one or both of the front surface and the back surface of the front side support surface of the vertical machine frame form a vertical guide structure for preventing lateral runout of the roller of the movable body. It is characterized by.
【００１１】本発明に係る請求項７記載の昇降装置は、
請求項１ないし６のいずれかの構成において、昇降台は
可動体の下部に取り付けられていて、水平姿勢から垂直
機枠に沿った姿勢に折り込み自在であることを特徴とす
るものである。A lifting device according to a seventh aspect of the present invention is
In the structure according to any one of claims 1 to 6, the elevating table is attached to a lower portion of the movable body, and can be folded from a horizontal posture to a posture along a vertical machine frame.
【００１２】本発明に係る請求項８記載の昇降装置は、
請求項１ないし７のいずれかの構成において、垂直機枠
の下部の一方または他方の側面から挿入して取り付ける
電動駆動機は、その一部が垂直機枠から外部に露出して
いることを特徴とするものである。The lifting device according to claim 8 of the present invention is
The electric drive machine according to any one of claims 1 to 7, wherein a part of the electric drive machine inserted and attached from one or the other side surfaces of the lower portion of the vertical machine casing is exposed to the outside from the vertical machine casing. It is what
【００１３】本発明に係る請求項９記載の昇降装置は、
請求項１ないし８のいずれかの構成において、垂直機枠
の背面の内側に、凹溝状の上下案内レールを備え、かつ
可動体の背面に上下案内レールに支持されるローラを備
えていて、可動体の横振れを防止する構造を成している
ことを特徴とするものである。According to a ninth aspect of the present invention, there is provided a lifting device.
The structure according to any one of claims 1 to 8, wherein a vertical groove-shaped vertical guide rail is provided inside the rear surface of the vertical machine frame, and a roller supported by the vertical guide rail is provided on the rear surface of the movable body. It is characterized in that it has a structure for preventing lateral shake of the movable body.
【００１４】本発明に係る請求項１０記載の昇降装置
は、請求項１ないし８のいずれかの構成において、垂直
機枠の背面の内側に、突条を成す上下案内レールを備
え、かつ可動体の背面に上下案内レールに支持されるロ
ーラを備えていて、可動体の横振れを防止する構造を成
していることを特徴とするものである。According to a tenth aspect of the present invention, in the lifting device according to any one of the first to eighth aspects, a vertical guide rail forming a ridge is provided inside the rear surface of the vertical machine frame, and a movable body is provided. A roller supported by the vertical guide rails is provided on the back surface of the above, and a structure for preventing lateral shake of the movable body is characterized.
【００１５】本発明に係る請求項１１記載の昇降装置
は、請求項９または１０の構成において、可動体の背面
に上下案内レールに支持されるローラを上下端部に２段
にわたって設け、その上段のローラを前後向きとし、か
つ下段のローラを横向きとしたことを特徴とするもので
ある。According to the eleventh aspect of the present invention, in the eleventh aspect of the present invention, in the structure of the ninth or tenth aspect, the rollers supported by the upper and lower guide rails are provided on the back surface of the movable body in two steps at the upper and lower ends, and the upper step is provided. The roller of (1) is oriented in the front-back direction, and the roller of the lower stage is oriented in the lateral direction.
【００１６】本発明に係る請求項１２記載の昇降装置
は、請求項１ないし１１のいずれかの構成において、垂
直機枠は、その前面が開放していてその左右が上下方向
に延びる一対の前側支持面を成し、可動体の前部は上下
に貫通する枠部を成しており、垂直機枠にはその開放面
を覆う覆板を可動体の枠部を通して取り付け可能に構成
されていることを特徴とするものである。According to a twelfth aspect of the present invention, in the lifting device according to any one of the first to eleventh aspects, the vertical machine frame has a pair of front sides whose front faces are open and whose left and right sides extend in the vertical direction. It forms a support surface, the front part of the movable body forms a frame part that penetrates vertically, and a cover plate that covers the open surface of the vertical machine frame is attachable through the frame part of the movable body. It is characterized by that.
【００１７】本発明に係る請求項１３記載の昇降装置
は、請求項１ないし１２のいずれかの構成において、垂
直機枠はその横幅が昇降台の横幅より小であることを特
徴とするものである。An elevating device according to a thirteenth aspect of the present invention is characterized in that, in the structure according to any one of the first to twelfth aspects, the horizontal width of the vertical machine frame is smaller than the horizontal width of the elevating table. is there.
【００１８】本発明に係る請求項１４記載の昇降装置
は、請求項１ないし１３のいずれかの構成において、垂
直機枠に可動体を支持するローラは、上方からみた仮想
三角形の略頂点に配置されていることを特徴とするもの
である。According to a fourteenth aspect of the present invention, in the lifting device according to any one of the first to thirteenth aspects, the roller for supporting the movable body on the vertical machine frame is arranged at substantially the apex of a virtual triangle viewed from above. It is characterized by being.
【００１９】[0019]
【発明の実施の形態】図１ないし図７は本発明の一実施
の形態を示し、図１は本発明に係る昇降装置の縦断側面
図、図２は同上正面図、図３は昇降台の上昇過程の一態
様を示す縦断側面図、図４は図３に対応して可動体の構
成を詳細に示す側面図、図５は垂直機枠の天面を破断し
て示す平面図、図６は垂直機枠と可動体との関連構造を
示す一部の斜視図、図７は垂直機枠の開放面を覆板で覆
う態様を示す一部の斜視図である。図８ないし図１１は
本発明の他の実施の形態を示し、図８は昇降台の上昇過
程の一態様を示す縦断側面図、図９は図８に対応して可
動体の構成を詳細に示す側面図、図１０は可動体を正面
側から見た斜視図、図１１は同上背面側から見た斜視図
である。1 to 7 show an embodiment of the present invention. FIG. 1 is a vertical sectional side view of a lifting device according to the present invention, FIG. 2 is a front view of the same, and FIG. FIG. 4 is a vertical sectional side view showing an aspect of the ascending process, FIG. 4 is a side view showing the structure of the movable body in detail corresponding to FIG. 3, and FIG. 5 is a plan view showing the top surface of the vertical machine frame by fracture. FIG. 7 is a partial perspective view showing a related structure between a vertical machine frame and a movable body, and FIG. 7 is a partial perspective view showing a mode in which an open surface of the vertical machine frame is covered with a cover plate. 8 to 11 show another embodiment of the present invention, FIG. 8 is a vertical cross-sectional side view showing one aspect of the lifting process of the lift, and FIG. 9 shows the structure of the movable body in detail corresponding to FIG. 10 is a perspective view of the movable body viewed from the front side, and FIG. 11 is a perspective view of the movable body viewed from the upper back side.
【００２０】図１に示すように、１は昇降装置である。
この昇降装置１は、基台２に垂直に立設した垂直機枠３
と、その前側で昇降する昇降台４を備えて成るものであ
る。すなわち、垂直機枠３は枠状をなしており、それに
可動体５が昇降自在に支持されていて、この可動体５に
昇降台４が連結されている。そして、垂直機枠３の上端
部の回転吊軸に設けたスプロケット６と下端部に設けた
スプロケット７に懸架された吊チェーン８の一端は可動
体５に結合され、かつその他端はテンション付与のため
のスプリング９を介して可動体５に結合されている。As shown in FIG. 1, reference numeral 1 is a lifting device.
The lifting device 1 includes a vertical machine frame 3 vertically installed on a base 2.
And an elevating table 4 that moves up and down on the front side thereof. That is, the vertical machine frame 3 has a frame shape, and the movable body 5 is supported on the movable body 5 so as to be able to move up and down, and the lifting platform 4 is connected to the movable body 5. Then, one end of the suspension chain 8 suspended by the sprocket 6 provided on the rotary suspension shaft at the upper end of the vertical machine frame 3 and the sprocket 7 provided at the lower end is connected to the movable body 5, and the other end is provided with tension. Is coupled to the movable body 5 via a spring 9 for.
【００２１】１０は電動駆動機であって、上記スプロケ
ット７はこの電動駆動機１０の出力軸に取り付けられて
おり、スプロケット７の正回転により可動体５を介して
昇降台４が上昇し、逆回転により昇降台４が下降するよ
うに成っている。電動駆動機１０はブレーキ機能を備え
たギアモータである。１１は上限マイクロスイッチ、１
２は下限マイクロスイッチであって、昇降台４の上昇時
の上限は上限マイクロスイッチ１１により、また昇降台
４の下降時の下限は下限マイクロスイッチ１２により可
動体５の上下限位置が検知され、それぞれの位置で自動
停止するように成っている。１３は載荷感知マイクロス
イッチであって、下限位置にある昇降台４上に荷が載る
と載荷感知マイクロスイッチ１３が作動して昇降台４を
自動的に上昇させる制御機能を備えている。１４は間隔
保持のためのストッパである。Reference numeral 10 denotes an electric drive, and the sprocket 7 is attached to the output shaft of the electric drive 10. The forward rotation of the sprocket 7 raises the lifting table 4 via the movable body 5, and the reverse. The lift base 4 is lowered by the rotation. The electric drive machine 10 is a gear motor having a braking function. 11 is an upper limit micro switch, 1
Reference numeral 2 denotes a lower limit micro switch, and the upper limit of the movable body 5 is detected by the upper limit micro switch 11 when the lift table 4 is raised, and the lower limit micro switch 12 when the lift table 4 is lowered. It is designed to automatically stop at each position. Reference numeral 13 denotes a load detection micro switch, which has a control function of automatically operating the load detection micro switch 13 when the load is placed on the lift table 4 at the lower limit position. Reference numeral 14 is a stopper for maintaining the interval.
【００２２】本発明に係る昇降装置１においては、電動
駆動機１０が垂直機枠３内の下部に設けられており、図
示の実施の形態では、垂直機枠３の右側面から内部に挿
入して取り付けてあり、その一部は外部に露出してい
る。この電動駆動機１０は、垂直機枠３の左側面から内
部に挿入して取り付けることもできる。なお、電動駆動
機１０が垂直機枠３の横幅より小さいときは、垂直機枠
３に完全に内装した態様で設けても差し支はないが、図
示の実施の形態のように、電動駆動機１０の一部を露出
させることにより、その装着や交換等が容易であるうえ
放熱効果を期待することができる。In the lifting device 1 according to the present invention, the electric drive machine 10 is provided in the lower part of the vertical machine casing 3. In the illustrated embodiment, the electric drive machine 10 is inserted into the vertical machine casing 3 from the right side surface thereof. It is attached, and a part of it is exposed to the outside. The electric drive machine 10 can also be inserted and attached inside from the left side surface of the vertical machine frame 3. When the electric drive machine 10 is smaller than the horizontal width of the vertical machine frame 3, it may be installed in the vertical machine case 3 completely, but as in the illustrated embodiment, the electric drive machine 10 is used. By exposing a part of 10, it is possible to easily attach and replace the device 10 and expect a heat dissipation effect.
【００２３】図示の実施の形態のように、垂直機枠３の
下部に電動駆動機１０を一部が露出するように備えるも
のにおいては、左右いずれの側面に一部が露出する態様
でもかまわないが、例えば、特開２００１−１５１４８
０号に示すように、コンベアと併用するような場合に
は、他の装置の邪魔にならない側に露出させることが好
ましい。In the case where the electric machine 10 is partially exposed to the lower part of the vertical machine frame 3 as in the illustrated embodiment, the left and right side surfaces may be partially exposed. However, for example, Japanese Patent Laid-Open No. 2001-15148
As shown in No. 0, when it is used together with a conveyor, it is preferable to expose it on the side that does not disturb other devices.
【００２４】垂直機枠３は、その前面が開放していて前
面の両側が左右一対の前側支持面１５、１５を成してい
る。この前側支持面１５、１５は、表面および裏面が可
動体５のローラ１６、１６および１７、１７の横振れを
防止するように、それぞれ表裏で互いに対向する片溝状
の上下案内構造を成しており、１８、１９はその起立面
である。The vertical machine frame 3 has an open front surface, and both sides of the front surface form a pair of left and right front support surfaces 15, 15. The front support surfaces 15 and 15 have a single-groove-shaped upper and lower guide structure that face each other on the front and back sides so that the front surface and the back surface prevent lateral deflection of the rollers 16, 16 and 17, 17 of the movable body 5. 18 and 19 are the rising surfaces thereof.
【００２５】可動体５は、その最下降状態で電動駆動機
１０を避ける形状を成す下方延出部２０を有しており、
垂直機枠３の前側支持面１５、１５の表面に支持するロ
ーラ１６、１６を下部延出部２０の下端部に取り付けて
おり、裏面を支持するローラ１７、１７を可動体５の上
端部にそれぞれ取り付けていて、可動体５は垂直機枠３
の前側支持面１５、１５をローラ１６、１６およびロー
ラ１７、１７で挟んで昇降自在に支持されている。The movable body 5 has a downward extending portion 20 having a shape that avoids the electric drive device 10 in its lowermost state.
The rollers 16, 16 supporting the front side supporting surfaces 15, 15 of the vertical machine frame 3 are attached to the lower end portion of the lower extension portion 20, and the rollers 17, 17 supporting the rear surface are provided at the upper end portion of the movable body 5. Each of them is attached, and the movable body 5 is the vertical machine frame 3
The front support surfaces 15 and 15 are sandwiched between the rollers 16 and 16 and the rollers 17 and 17 so as to be vertically movable.
【００２６】可動体５の下方延出部２０は、電動駆動機
１０を避けるために後方からみて前方に凹状の湾曲部２
１を有しているので、可動体５は電動駆動機１０を避け
るためにその下半部の前後幅を狭めてあっても、その強
度が損なわれず高い剛性を備えている。The downward extending portion 20 of the movable body 5 has a curved portion 2 which is concave toward the front when viewed from the rear in order to avoid the electric drive unit 10.
1, the movable body 5 has high rigidity without impairing its strength even if the longitudinal width of the lower half of the movable body 5 is narrowed in order to avoid the electric drive unit 10.
【００２７】ところで、上記の構成では、可動体５の下
端部をローラ１６、１６、上端部をローラ１７、１７に
より垂直機枠３の前側支持面１５、１５を表面と裏面を
挟んで支持しているが、図８に示すように、可動体５の
上下略中間部にもさらに垂直機枠３の前側支持面１５、
１５の裏面に支持するローラ１７′、１７′を設けるこ
とにより、可動体５にかかる前方への荷重がローラ１
７、１７とローラ１７′、１７′とで分散されるので、
強度の向上と相俟って垂直機枠３の前側支持面１５、１
５を表面と裏面を挟んだ支持状態が緊迫する状態が緩和
され、可動体５がいっそう円滑に昇降させることができ
るようになる。By the way, in the above construction, the lower end of the movable body 5 is supported by the rollers 16 and 16 and the upper end thereof is supported by the rollers 17 and 17 so that the front support surfaces 15 and 15 of the vertical machine frame 3 are sandwiched between the front and back surfaces. However, as shown in FIG. 8, the front support surface 15 of the vertical machine frame 3 is further provided in the substantially vertical middle portion of the movable body 5.
By providing the rollers 17 ′, 17 ′ that support the back surface of the roller 15, the forward load applied to the movable body 5 is applied to the roller 1.
Since it is dispersed by 7, 17 and rollers 17 ', 17',
In combination with the improvement in strength, the front support surfaces 15 and 1 of the vertical machine casing 3 are
The state in which the support state in which 5 is sandwiched between the front surface and the back surface is tight is relaxed, and the movable body 5 can be raised and lowered more smoothly.
【００２８】垂直機枠３の背面２２の内側には、その左
右中間部位に、凹溝状の上下案内レール２３を備えてお
り、可動体５の背面には、その上下端部に上下案内レー
ル２３に支持されるローラ２４、２４′を備えている。
この上下案内レール２３とローラ２４、２４′により、
可動体５はその後部も横振れしないように支持して、前
側支持面１５、１５とローラ１６、１６およびローラ１
７、１７による前側の横振れを防止する支持と相俟っ
て、可動体５が円滑かつ安定して昇降するようにしてい
る。なお、上下案内レール２３は、突条を成す上下案内
レールに代えて、可動体５の背面にはその上下案内レー
ルに噛み合う凹輪状のローラを備えた構成とすることも
可能である（図示せず）。On the inside of the rear surface 22 of the vertical machine frame 3, a vertical groove-shaped vertical guide rail 23 is provided in the left-right intermediate portion thereof, and on the rear surface of the movable body 5, upper and lower guide rails are provided at the upper and lower ends thereof. It comprises rollers 24, 24 'supported by 23.
With this vertical guide rail 23 and rollers 24, 24 ',
The movable body 5 also supports the rear portion thereof so as not to laterally swing, and the front support surfaces 15, 15 and the rollers 16, 16 and the roller 1 are supported.
The movable body 5 is smoothly and stably moved up and down in cooperation with the support for preventing the lateral shake of the front side by the members 7 and 17. Note that the vertical guide rail 23 may be configured such that a concave ring-shaped roller that meshes with the vertical guide rail is provided on the back surface of the movable body 5 instead of the vertical guide rail that forms a ridge (not shown). No).
【００２９】上記の構成では、上下案内レール２３に支
持されるローラ２４、２４′をともに横向きにしている
が、図９に示すように、上端部のローラ２４を前後向き
として可動体５の背面側において横向きのローラ２４′
による横振れ防止と、上下案内も円滑になされるように
すれば、可動体５の昇降時に停滞現象が起きないので、
可動体５の昇降が円滑になり、しかも横振れも生じな
い。In the above structure, the rollers 24 and 24 'supported by the vertical guide rails 23 are both laterally oriented. However, as shown in FIG. Sideways roller 24 '
If the horizontal shake is prevented and the vertical guide is smoothly performed, the stagnation phenomenon does not occur when the movable body 5 moves up and down.
The movable body 5 can be smoothly moved up and down, and lateral shake does not occur.
【００３０】垂直機枠３に可動体５を支持するローラ１
６、１６、１７、１７と、ローラ２４、２４は、可動体
５を上方からみた仮想三角形の略頂点にあたるように配
置されているので（図５参照）、垂直機枠３に対して可
動体５を比較的少ないローラをもって安定的に支持でき
ることになる。このため、垂直機枠３の特に横幅を比較
的小さくしても、可動体５は安定かつ円滑に昇降動作す
るものとなって、昇降台４の横幅に対して垂直機枠３の
横幅を小さく設定して、昇降機１の小型化を図ることが
可能である。A roller 1 for supporting the movable body 5 on the vertical machine frame 3.
6, 16, 17, 17 and the rollers 24, 24 are arranged so as to correspond to substantially the vertices of a virtual triangle when the movable body 5 is viewed from above (see FIG. 5), so that the movable body is movable with respect to the vertical machine frame 3. 5 can be stably supported by a relatively small number of rollers. For this reason, even if the horizontal width of the vertical machine frame 3 is relatively small, the movable body 5 can be stably and smoothly moved up and down, and the horizontal width of the vertical machine frame 3 can be made smaller than the horizontal width of the lifting platform 4. It is possible to reduce the size of the elevator 1 by setting it.
【００３１】垂直機枠３に上記のように支持された可動
体５には、その下方延出部２０の下端部に、昇降台４が
水平姿勢から垂直機枠３に沿った姿勢に折り込み自在に
取り付けられている。２５はその軸支部である。なお、
昇降台４と可動体５との間には、昇降台４を水平姿勢に
保持するためのストッパ機構を備えている（図示せ
ず）。In the movable body 5 supported by the vertical machine frame 3 as described above, the elevating table 4 can be folded at the lower end portion of the downward extending portion 20 from the horizontal posture to the posture along the vertical machine casing 3. Is attached to. Reference numeral 25 is the shaft support. In addition,
A stopper mechanism for holding the elevating table 4 in a horizontal posture is provided between the elevating table 4 and the movable body 5 (not shown).
【００３２】前記のように、垂直機枠３は、その前面が
開放していてその左右が上下方向に延びる一対の前側支
持面１５、１５を成しているが、可動体５の前部は上下
に貫通する枠部２６を成しており、垂直機枠３にはその
開放面を覆う覆板２７を可動体５の枠部２６を通して取
り付け可能に構成されている（図７参照）。なお、垂直
機枠３の前側開放部を覆板２７で覆うと外観性が良好で
あり安全性が向上するが、覆板２７は昇降装置１の構成
上必須のものではない。覆板２７を透明または半透明に
して内部が透けて見えるようにして優れた機能美を発現
するようにしてもよい。As described above, the vertical machine frame 3 has a front surface open and the left and right sides thereof form a pair of front support surfaces 15 and 15 extending in the vertical direction. A frame portion 26 that penetrates vertically is formed, and a cover plate 27 that covers the open surface of the vertical machine frame 3 can be attached through the frame portion 26 of the movable body 5 (see FIG. 7). If the front opening of the vertical machine frame 3 is covered with the cover plate 27, the appearance is good and the safety is improved, but the cover plate 27 is not essential in the configuration of the lifting device 1. The cover plate 27 may be made transparent or semi-transparent so that the inside can be seen through to show excellent functional beauty.
【００３３】[0033]
【発明の効果】本発明によれば、垂直機枠に可動体を介
して支持された昇降台を備え、可動体を電動により昇降
させる昇降装置において、可動体の下部側に垂直機枠の
前側支持面の表面を、かつ上部側に裏面をそれぞれ支持
するローラを備えて、可動体を垂直機枠の前側支持面を
挟んで昇降自在に支持することにより、可動体が横振れ
を起こすことがなく、機能を何ら低下させることなく昇
降台を垂直機枠に昇降支持する可動体の支持構造を大幅
に簡素化することができ、昇降台に載せる物の重量如何
にかかわらず、円滑に上昇搬送することができる昇降装
置を提供し得るものである。According to the present invention, in the lifting device for vertically moving the movable body by means of the lifting table supported by the vertical machine frame via the movable body, the front side of the vertical machine frame is provided on the lower side of the movable body. Rollers supporting the front surface of the support surface and the back surface of the support surface on the upper side are provided to support the movable body so that the movable body can move up and down across the front support surface of the vertical machine frame. It is possible to greatly simplify the support structure of the movable body that lifts and lowers the lifting platform on the vertical machine frame without lowering the function, and smoothly raises and transports regardless of the weight of the object placed on the lifting platform. It is possible to provide a lifting device capable of performing the above.
【図１】本発明の一実施の形態に係る昇降装置の縦断側
面図である。FIG. 1 is a vertical sectional side view of a lifting device according to an embodiment of the present invention.
【図２】同上正面図である。FIG. 2 is a front view of the same.
【図３】同上昇降台の上昇過程の一態様を示す縦断側面
図である。FIG. 3 is a vertical cross-sectional side view showing an aspect of a lifting process of the lifting table.
【図４】同上図３に対応して可動体の構成を詳細に示す
側面図である。FIG. 4 is a side view showing the configuration of the movable body in detail corresponding to FIG.
【図５】同上垂直機枠の天面を破断して示す平面図であ
る。FIG. 5 is a plan view showing the top surface of the vertical machine frame in a broken manner.
【図６】同上垂直機枠と可動体との関連構造を示す一部
の斜視図である。FIG. 6 is a partial perspective view showing a structure related to the vertical machine frame and the movable body of the above.
【図７】同上垂直機枠の開放面を覆板で覆う態様を示す
一部の斜視図である。FIG. 7 is a partial perspective view showing a mode in which the open surface of the vertical machine frame is covered with a cover plate.
【図８】本発明の他の実施の形態を示し、昇降台の上昇
過程の一態様を示す縦断側面図である。FIG. 8 is a vertical cross-sectional side view showing another embodiment of the present invention, showing one mode of the lifting process of the lifting platform.
【図９】同上図８に対応して可動体の構成を詳細に示す
側面図である。9 is a side view showing the configuration of the movable body in detail corresponding to FIG. 8 of the above.
【図１０】同上可動体を正面側から見た斜視図である。FIG. 10 is a perspective view of the same movable body as seen from the front side.
【図１１】同上可動体を背面側から見た斜視図である。FIG. 11 is a perspective view of the same movable body as seen from the back side.
１ 昇降装置 ２ 基台 ３ 垂直機枠 ４ 昇降台 ５ 可動体 ６ スプロケット ７ スプロケット ８ 吊チェーン ９ スプリング １０ 電動駆動機 １１ 上限マイクロスイッチ １２ 下限マイクロスイッチ １３ 載荷感知マイクロスイッチ １４ ストッパ １５、１５ 前側支持面 １６、１６ ローラ １７、１７ ローラ １７′、１７′ ローラ １８、１９ 起立面 ２０ 下方延出部 ２１ 湾曲部 ２２ 背面 ２３ 上下案内レール ２４、２４′ ローラ ２５ 軸支部 ２６ 枠部 ２７ 覆板 1 Lifting device 2 bases 3 Vertical machine frame 4 lifts 5 movable body 6 sprockets 7 sprockets 8 hanging chains 9 springs 10 Electric drive 11 Upper limit micro switch 12 lower limit micro switch 13 Load detection micro switch 14 Stopper 15,15 Front support surface 16, 16 roller 17, 17 Roller 17 ', 17' rollers 18, 19 Standing surface 20 downward extension 21 curved part 22 back 23 Vertical guide rail 24, 24 'roller 25 Shaft support 26 frame 27 Cover plate
───────────────────────────────────────────────────── フロントページの続き (72)発明者 川島 誠蔵 栃木県下都賀郡藤岡町大字藤岡4290番地 株式会社タイガーカワシマ内 ─────────────────────────────────────────────────── ─── Continued front page (72) Inventor Seizo Kawashima 4290 Fujioka, Fujioka-machi, Shimotsuga-gun, Tochigi Prefecture Inside Tiger Kawashima Co., Ltd.
Claims (14)
降台を備え、可動体を電動により昇降させる昇降装置に
おいて、垂直機枠内の下部に電動駆動機を設け、この電
動駆動機の出力軸と垂直機枠の上端部に設けた回転吊軸
との間に懸架したチェーンの両端を上記可動体に連結し
て電動駆動機により可動体が昇降するように構成されて
おり、可動体はその下部側に垂直機枠の前側支持面の表
面を、かつ上部側に裏面をそれぞれ支持するローラを備
えていて、可動体を垂直機枠の前側支持面を挟んで昇降
自在に支持して成ることを特徴とする昇降装置。1. An elevating device comprising an elevating table supported by a vertical machine frame through a movable body and electrically elevating and lowering the movable body. An electric drive machine is provided in a lower part of the vertical machine frame, and the electric drive machine is provided. Both ends of a chain suspended between the output shaft of the above and a rotary suspension shaft provided at the upper end of the vertical machine frame are connected to the movable body so that the movable body can be moved up and down by an electric drive. The body is equipped with rollers for supporting the front surface of the front side of the vertical machine frame on the lower side and for supporting the back side of the upper side on the upper side. Lifting device characterized by comprising.
支持するローラは、可動体の上端部と上下略中間部の２
段にわたって設けたことを特徴とする請求項１記載の昇
降装置。2. The roller for supporting the movable body on the back surface of the front side support surface of the vertical machine frame is composed of an upper end portion of the movable body and a vertical middle portion.
The lifting device according to claim 1, wherein the lifting device is provided over the steps.
れを設ける部位の一方または他方の側面から電動駆動機
を挿入して取り付けることを特徴とする請求項１または
２記載の昇降装置。3. The elevating device according to claim 1, wherein the electric motor provided in the lower portion of the vertical machine frame is mounted by inserting the electric drive motor from one or the other side surface of the portion where the electric motor is provided.
を避ける形状を成す下方延出部を有しており、垂直機枠
の前側支持面の表面に支持するローラを下部延出部の下
端部に、裏面を支持するローラを可動体の上端部または
上端部と上下略中間部にそれぞれ設けたことを特徴とす
る請求項１ないし３のいずれかに記載の昇降装置。4. The movable body has a downward extending portion having a shape that avoids the electric drive machine in its lowest descent state, and a roller extending on the front side supporting surface of the vertical machine frame has a lower extending portion. 4. The lifting device according to claim 1, wherein a roller for supporting the back surface is provided at the lower end of the movable body at the upper end or at the upper end of the movable body and substantially in the middle between the upper and lower sides.
方に凹状の湾曲部を有していることを特徴とする請求項
４記載の昇降装置。5. The elevating device according to claim 4, wherein the downward extending portion of the movable body has a curved portion that is concave toward the front when viewed from the rear.
面のいずれか一方または両方が可動体のローラの横振れ
を防止する上下案内構造を成していることを特徴とする
請求項１ないし５のいずれかに記載の昇降装置。6. The vertical support frame has a front support surface, one or both of a front surface and a back surface of which has a vertical guide structure for preventing lateral deflection of a roller of a movable body. The lifting device according to any one of 1 to 5.
いて、水平姿勢から垂直機枠に沿った姿勢に折り込み自
在であることを特徴とする請求項１ないし６のいずれか
に記載の昇降装置。7. The lift according to claim 1, wherein the lift table is attached to a lower portion of the movable body and can be folded from a horizontal position to a position along a vertical machine frame. apparatus.
から挿入して取り付ける電動駆動機は、その一部が垂直
機枠から外部に露出していることを特徴とする請求項１
ないし７のいずれかに記載の昇降装置。8. The electric drive machine inserted and attached from one or the other side surfaces of the lower portion of the vertical machine casing is partially exposed to the outside from the vertical machine casing.
The lifting device according to any one of 1 to 7.
案内レールを備え、かつ可動体の背面に上下案内レール
に支持されるローラを備えていて、可動体の横振れを防
止する構造を成していることを特徴とする請求項１ない
し８のいずれかに記載の昇降装置。9. A vertical groove guide rail is provided inside the rear surface of the vertical machine frame, and a roller supported by the vertical guide rail is provided on the rear surface of the movable body to prevent lateral deflection of the movable body. The lifting device according to any one of claims 1 to 8, wherein the lifting device has a structure that:
上下案内レールを備え、かつ可動体の背面に上下案内レ
ールに支持されるローラを備えていて、可動体の横振れ
を防止する構造を成していることを特徴とする請求項１
ないし８のいずれかに記載の昇降装置。10. A vertical guide rail that forms a ridge is provided inside the rear surface of the vertical machine frame, and a roller supported by the vertical guide rail is provided on the rear surface of the movable body to prevent lateral movement of the movable body. 2. The structure according to claim 1, wherein
9. The lifting device according to any one of 8 to 8.
されるローラを上下端部に２段にわたって設け、その上
段のローラを前後向きとし、かつ下段のローラを横向き
としたことを特徴とする請求項９または１０記載の昇降
装置。11. A roller, which is supported by vertical guide rails, is provided at the upper and lower ends in two steps on the back surface of the movable body, the upper roller is in the front-back direction, and the lower roller is in the horizontal direction. The lifting device according to claim 9 or 10.
その左右が上下方向に延びる一対の前側支持面を成し、
可動体の前部は上下に貫通する枠部を成しており、垂直
機枠にはその開放面を覆う覆板を可動体の枠部を通して
取り付け可能に構成されていることを特徴とする請求項
１ないし１１のいずれかに記載の昇降装置。12. The vertical machine frame comprises a pair of front side support surfaces, the front surface of which is open and the left and right sides of which extend vertically.
The front portion of the movable body forms a frame portion that penetrates vertically, and a cover plate that covers the open surface of the vertical machine frame is configured to be attachable through the frame portion of the movable body. Item 12. An elevating device according to any one of items 1 to 11.
り小であることを特徴とする請求項１ないし１２のいず
れかに記載の昇降装置。13. The elevating device according to claim 1, wherein the vertical machine frame has a lateral width smaller than that of the elevating table.
は、上方からみた仮想三角形の略頂点に配置されている
ことを特徴とする請求項１ないし１３のいずれかに記載
の昇降装置。14. The elevating device according to claim 1, wherein the roller supporting the movable body on the vertical machine frame is arranged at substantially the apex of a virtual triangle viewed from above.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002349013A JP3783136B2 (en) | 2001-11-30 | 2002-11-29 | lift device |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001367171 | 2001-11-30 | ||
| JP2001-367171 | 2001-11-30 | ||
| JP2002349013A JP3783136B2 (en) | 2001-11-30 | 2002-11-29 | lift device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2003226491A true JP2003226491A (en) | 2003-08-12 |
| JP3783136B2 JP3783136B2 (en) | 2006-06-07 |
Family
ID=27759570
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2002349013A Expired - Fee Related JP3783136B2 (en) | 2001-11-30 | 2002-11-29 | lift device |
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| Country | Link |
|---|---|
| JP (1) | JP3783136B2 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016196042A (en) * | 2013-08-29 | 2016-11-24 | ブランソン・ウルトラシャル・ニーダーラッスング・デア・エマーソン・テヒノロギーズ・ゲーエムベーハー・ウント・コムパニー・オーハーゲー | Tension means tension adjusting device, vibration welding device with tension means tension adjusting device, and manufacturing method for tension means tension adjusting device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110844828A (en) * | 2019-12-05 | 2020-02-28 | 徐州鸿拓信息技术有限公司 | Information technology weight statistics device |
| CN111056484B (en) * | 2019-12-23 | 2020-08-18 | 惠州市德信建设工程有限公司 | Building construction elevator |
-
2002
- 2002-11-29 JP JP2002349013A patent/JP3783136B2/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016196042A (en) * | 2013-08-29 | 2016-11-24 | ブランソン・ウルトラシャル・ニーダーラッスング・デア・エマーソン・テヒノロギーズ・ゲーエムベーハー・ウント・コムパニー・オーハーゲー | Tension means tension adjusting device, vibration welding device with tension means tension adjusting device, and manufacturing method for tension means tension adjusting device |
| US10260605B2 (en) | 2013-08-29 | 2019-04-16 | Branson Ultraschall Niederlassung Der Emerson Technologies Gmbh & Co. Ohg | Traction means tensioner, vibration welding device having a traction means tensioner as well as production method for a traction means tensioner |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3783136B2 (en) | 2006-06-07 |
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