JPH05213581A - Elevated load supporting means positioning device for conveyor device - Google Patents
Elevated load supporting means positioning device for conveyor deviceInfo
- Publication number
- JPH05213581A JPH05213581A JP4790792A JP4790792A JPH05213581A JP H05213581 A JPH05213581 A JP H05213581A JP 4790792 A JP4790792 A JP 4790792A JP 4790792 A JP4790792 A JP 4790792A JP H05213581 A JPH05213581 A JP H05213581A
- Authority
- JP
- Japan
- Prior art keywords
- supporting means
- load supporting
- elevating
- load
- lowering
- 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
- Carriers, Traveling Bodies, And Overhead Traveling Cranes (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、複数本のベルトなどの
吊下具により昇降可能に吊り下げられた昇降荷支持手段
を備えた搬送装置において、前記荷支持手段を下降限ま
で下降させた荷積み卸し作業状態での当該荷支持手段の
安定性を高めることの出来る、搬送装置の昇降荷支持手
段位置決め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 conveying device provided with lifting load supporting means suspended by a suspending tool such as a plurality of belts so that the load supporting means is lowered to a lower limit. The present invention relates to an elevating / lowering load supporting means positioning device for a transfer device, which can enhance the stability of the load supporting means in an unloading and loading operation state.
【０００２】[0002]
【従来の技術及びその問題点】前記のような搬送装置に
おいては、昇降荷支持手段の側部にガイドローラなどを
突設しておき、荷積み卸し場所における前記荷支持手段
の下降限近傍位置に前記ガイドローラが嵌合して昇降す
るガイドレールを配設し、以て、前記荷支持手段を下降
限まで下降させた荷積み卸し作業状態での当該荷支持手
段の横揺れを防止するようにしている。2. Description of the Related Art In the above-mentioned transporting apparatus, guide rollers and the like are provided so as to protrude from the side portions of the lifting / lowering supporting means, and the position near the lower limit of the supporting means at the loading / unloading place. A guide rail that fits with the guide roller and moves up and down is provided, so as to prevent the load supporting means from rolling laterally in the loading / unloading operation state in which the load supporting means is lowered to the lower limit. I have to.
【０００３】しかしながら、前記ガイドレールとガイド
ローラとの間の空隙は比較的大きく、従ってこの空隙の
範囲内で荷支持手段が横揺れすることまでは防止するこ
とが出来なかった。また、このような問題点を解決する
ために、下降限まで下降した荷支持手段をストッパーで
受け止めて支持することも考えられるが、この荷支持手
段を吊り下げているベルトなどの吊下具の伸びや吊下具
繰り出し停止制御のばらつきで所定の下降限レベルより
も荷支持手段が若干でも下がるような状況では、前記ス
トッパーで荷支持手段を所定の下降限レベルで強制的に
受け止めた場合、ベルトなどの吊下具が弛むことにな
る。通常、このベルトなどの吊下具の弛み検出手段が併
設されており、当該弛み検出手段の弛み検出により一切
の動作を自動停止させるように制御されるので、前記の
ようにストッパーで強制的に荷支持手段を受け止めて下
降停止させる方法をとることは不適当である。However, the gap between the guide rail and the guide roller is relatively large, and therefore, it is not possible to prevent the load supporting means from rolling in the range of this gap. Further, in order to solve such a problem, it is conceivable that the load supporting means lowered to the lower limit is received and supported by a stopper. However, a suspending tool such as a belt for suspending the load supporting means may be used. In a situation in which the load supporting means is lowered a little less than a predetermined lower limit level due to variations in extension and suspension tool feeding stop control, when the load supporting means is forcibly received at the predetermined lower limit level by the stopper, Suspended items such as belts will loosen. Usually, a slack detecting means for hanging equipment such as this belt is also provided, and since it is controlled so as to automatically stop any operation by detecting the slack of the slack detecting means, the stopper is forcibly used as described above. It is not appropriate to adopt a method of receiving the load supporting means and stopping the descent.
【０００４】[0004]
【課題を解決するための手段】本発明は上記のような従
来の問題点を解決するために成されたものであって、そ
の特徴を後述する実施例の参照符号を付して示すと、本
発明の搬送装置の昇降荷支持具位置決め装置は、複数本
の吊下具１１により昇降可能に吊り下げられた荷支持手
段４を備えた搬送装置において、前記荷支持手段４の側
部に昇降被案内部１９と被当接部２０とを突設し、荷積
み卸し場所における前記荷支持手段４の下降限近傍位置
に前記昇降被案内部１９が嵌合して昇降するガイドレー
ル２１と、前記被当接部２０を支持する下降限ストッパ
ー２４とを配設し、当該下降限ストッパー２４は、一定
範囲内昇降自在に支持すると共に、上昇方向に付勢する
スプリング２７ａ，２７ｂを併設し、前記荷支持手段４
が下降限まで下降したとき、前記下降限ストッパー２４
が前記スプリング２７ａ，２７ｂの付勢力に抗して昇降
範囲内の中間レベルまで下降するように構成した点に特
徴を有する。SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned conventional problems, and its features will be shown by the reference numerals of the embodiments described later. A lifting / lowering load support tool positioning device for a transfer device according to the present invention is a transfer device including a load support means 4 hung up and down by a plurality of suspenders 11, and is lifted to a side portion of the load support means 4. A guide rail 21 provided with a guided portion 19 and an abutted portion 20 projecting from each other, and the elevating guided portion 19 is fitted and moved up and down at a position near the lower limit of the load supporting means 4 at an unloading place; A lower limit stopper 24 that supports the contacted portion 20 is provided, and the lower limit stopper 24 supports the lower limit stopper 24 so as to be vertically movable within a certain range, and additionally includes springs 27a and 27b for urging in the upward direction. The load supporting means 4
Is lowered to the lower limit, the lower limit stopper 24
Is configured so as to be lowered to an intermediate level within the ascending / descending range against the biasing force of the springs 27a and 27b.
【０００５】[0005]
【実施例】以下、本発明の一実施例を添付の例示図に基
づいて説明すると、図１および図２において、１は自走
電車形搬送装置であって、適当高さに架設されたガイド
レール２に案内されて自走する搬送用電車３とこれに昇
降可能に吊り下げられた荷支持手段４とから構成されて
いる。前記搬送用電車３は、従来周知のものであって、
ガイドレール２に嵌合する車輪５，６を備えた前後一対
のトロリー７，８と、前記ガイドレール２の底部を二次
導体とする推進用リニアモータ９とから構成され、前記
荷支持手段４は、駆動プーリ１０によって巻き上げ繰り
出し制御される複数本の吊下具（ベルト）１１により吊
り下げられた昇降体１２ａと、この昇降体１２ａの下側
に取付けられた荷支持具１２ｂとから構成されている。
この荷支持具１２ｂは、取り扱う荷の形状などに応じて
任意のものが使用されるが、図示例では、垂直枠部１３
の下端から横側方に片持ち状に荷支持部１４を連設した
Ｌ形のものであり、前記垂直枠部１３に一対の荷位置決
め用アーム１５が突設されている。DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the accompanying drawings. In FIGS. 1 and 2, reference numeral 1 is a self-propelled electric train type carrier, which is a guide installed at an appropriate height. It is composed of a transportation train 3 which is guided by a rail 2 and self-propelled, and a load supporting means 4 which is hung up and down on the transportation train 3. The transport train 3 is well known in the art,
The load supporting means 4 comprises a pair of front and rear trolleys 7 and 8 having wheels 5 and 6 fitted to the guide rail 2 and a propulsion linear motor 9 having a bottom portion of the guide rail 2 as a secondary conductor. Is composed of an elevating body 12a suspended by a plurality of suspending tools (belts) 11 which are controlled to be wound up and out by a drive pulley 10, and a load support tool 12b attached to the lower side of the elevating body 12a. ing.
As the load support tool 12b, any one is used depending on the shape of the load to be handled, but in the illustrated example, the vertical frame portion 13 is used.
Is an L-shaped one in which a load supporting portion 14 is continuously provided in a cantilever manner from the lower end to the lateral side, and a pair of load positioning arms 15 are projectingly provided on the vertical frame portion 13.
【０００６】前記荷支持手段４（昇降体１２ａ）の左右
両側部にはブラケット１６が突設され、これら両ブラケ
ット１６に、前後一対の前後方向振れ止め用ガイドロー
ラ１７ａ，１７ｂと、両ガイドローラ１７ａ，１７ｂの
中間に位置する左右方向振れ止め用ガイドローラ１８と
から成る昇降被案内部１９が設けられている。また、前
記前後方向振れ止め用ガイドローラ１７ａ，１７ｂは、
被当接部２０をも構成している。Brackets 16 are projectingly provided on both left and right sides of the load supporting means 4 (elevating body 12a), and a pair of front and rear direction steadying guide rollers 17a and 17b and both guide rollers are provided on both brackets 16. An elevating / lowering guided portion 19 including a horizontal steady rest guide roller 18 positioned in the middle of 17a and 17b is provided. In addition, the front and rear steady rest guide rollers 17a and 17b are
It also constitutes the contacted portion 20.
【０００７】一方、前記搬送用電車３の走行経路中に設
定された荷積み卸し場所では、当該搬送用電車３を自動
停止させて前記荷支持手段４を下降限レベルまで下降さ
せ、前記荷支持具１２ｂに対する荷積み卸し作業が行わ
れるのであるが、当該荷支持手段４の下降限近傍には、
前記昇降被案内部１９の各ガイドローラ１７ａ，１７
ｂ，１８が嵌合して昇降する左右一対の昇降ガイドレー
ル２１が、固定フレーム（図示省略）に取付けられて配
設されている。On the other hand, at the loading / unloading place set on the traveling route of the transport train 3, the transport train 3 is automatically stopped to lower the load supporting means 4 to the lower limit level to support the load. The unloading work is performed on the tool 12b, but in the vicinity of the lower limit of the load supporting means 4,
The guide rollers 17a, 17 of the ascending / descending guided portion 19
A pair of left and right elevating guide rails 21 that fit with b and 18 and ascend and descend are attached to a fixed frame (not shown) and arranged.
【０００８】図２および図３に示すように前記昇降ガイ
ドレール２１は、前記前後方向振れ止め用ガイドローラ
１７ａ，１７ｂが近接する前後一対の垂直レール面２２
ａ，２２ｂと、前記左右方向振れ止め用ガイドローラ１
８が近接する垂直レール面２３とを備えたものであっ
て、各垂直レール面２２ａ〜２３の上端部は外広がりに
傾斜せしめられている。而して、当該昇降ガイドレール
２１の下端部には、前記前後方向振れ止め用ガイドロー
ラ１７ａ，１７ｂ（被当接部２０）が受け止められる下
降限ストッパー２４が、一対の昇降ガイドロッド２５
ａ，２５ｂを介して一定範囲内昇降自在に支持され、前
記昇降ガイドロッド２５ａ，２５ｂが貫通するガイドレ
ール側フレーム２６と前記下降限ストッパー２４との間
には、前記昇降ガイドロッド２５ａ，２５ｂに遊嵌する
状態で一対の圧縮コイルスプリング２７ａ，２７ｂが介
装され、当該スプリング２７ａ，２７ｂにより前記下降
限ストッパー２４が上昇限位置に保持されている。As shown in FIGS. 2 and 3, the elevating guide rail 21 includes a pair of front and rear vertical rail surfaces 22 to which the front-rear direction steady rest guide rollers 17a and 17b approach.
a, 22b and the left and right steady rest guide roller 1
8 is provided with the adjacent vertical rail surface 23, and the upper end portions of the vertical rail surfaces 22a to 23 are inclined outward. At the lower end of the elevating guide rail 21, a pair of elevating guide rods 25 is provided with a lower limit stopper 24 for receiving the front-rear direction steadying guide rollers 17a, 17b (contacted portion 20).
The lifting guide rods 25a and 25b are supported between the guide rail side frame 26 and the lowering limit stopper 24, which are supported so as to be lifted and lowered within a certain range via a and 25b and through which the lifting guide rods 25a and 25b penetrate. A pair of compression coil springs 27a and 27b are interposed in a loosely fitted state, and the lower limit stopper 24 is held at the upper limit position by the springs 27a and 27b.
【０００９】上記の構成によれば、所定位置で搬送用電
車３を停止させ、駆動プーリ１０により吊下具（ベル
ト）１１を繰り出して荷支持手段４を下降限レベルまで
下降させると、当該荷支持手段４が下降限に到着する少
し手前から、左右両側の昇降被案内部１９における各ガ
イドローラ１７ａ，１７ｂ，１８が左右一対の昇降ガイ
ドレール２１内に夫々嵌入し、昇降体１２が下降限レベ
ルに達したときは、図２Ｂおよび図３に示すように、左
右両側の被当接部２０であるガイドローラ１７ａ，１７
ｂが下降限ストッパー２４を、その昇降範囲内の中間レ
ベルまでスプリング２７ａ，２７ｂの付勢力に抗して押
し下げて停止する。According to the above construction, when the transport train 3 is stopped at a predetermined position, the hanging tool (belt) 11 is paid out by the drive pulley 10 and the load supporting means 4 is lowered to the lower limit level, the load is lowered. Shortly before the supporting means 4 arrives at the lower limit, the guide rollers 17a, 17b, 18 in the left and right lift guide portions 19 are fitted into the pair of left and right lift guide rails 21, respectively, and the lift 12 is lowered. When the level is reached, as shown in FIG. 2B and FIG. 3, the guide rollers 17a, 17 that are the abutted portions 20 on both the left and right sides.
b stops the lower limit stopper 24 by pushing down the lower limit stopper 24 against the biasing force of the springs 27a and 27b to an intermediate level within the ascending and descending range.
【００１０】なお、上記実施例では、前後方向振れ止め
用ガイドローラ１７ａ，１７ｂを下降限ストッパー２４
上に当接する被当接部２０に兼用させたが、左右方向振
れ止め用ガイドローラ１８を前記被当接部２０に兼用さ
せることも出来るし、図４に示すように、前記ガイドロ
ーラ１７ａ〜１８とは別に、前記下降限ストッパー２４
上に当接する固定部材２８を前記ブラケット１６に付設
することも出来る。In the above embodiment, the guide rollers 17a and 17b for preventing the steady movement in the front-rear direction are provided with the lower limit stopper 24.
Although the contacted portion 20 that abuts on the upper portion is also used, the left and right steady rest guide roller 18 can also be used as the contacted portion 20, and as shown in FIG. Apart from 18, the lower limit stopper 24
A fixing member 28 that abuts on the bracket 16 may be attached to the bracket 16.
【００１１】[0011]
【発明の作用及び効果】以上のように本発明の搬送装置
の昇降荷支持具位置決め装置によれば、昇降荷支持手段
を荷積み卸し場所で下降限まで下降させたとき、当該荷
支持手段側の昇降被案内部とガイドレールとの嵌合によ
り単に前記荷支持手段の横揺れを防止するだけでなく、
下降限ストッパーで前記荷支持手段側の被当接部を受け
止めて、前記荷昇降被案内部とガイドレールとの間の空
隙の範囲内での荷支持手段の僅かな横揺れも効果的に防
止することが出来る。As described above, according to the lifting / lowering load support tool positioning device of the carrying apparatus of the present invention, when the lifting / lowering load support means is lowered to the lower limit at the loading / unloading place, the load support means side. Not only the rolling support of the load supporting means is prevented by the fitting of the ascending / descending guided portion and the guide rail,
The lower limit stopper receives the abutted portion on the side of the load supporting means, and effectively prevents even a slight roll of the load supporting means within the range of the gap between the load elevating / lowering guided portion and the guide rail. You can do it.
【００１２】しかも前記下降限ストッパーは、荷支持手
段側の荷重を受けて上向き付勢力に抗して下降するの
で、仮にベルトなどの吊下具の伸びや当該吊下具の繰り
出し停止制御のばらつきで荷支持手段の下降限レベルが
下がるような状況であっても、その下がった下降限レベ
ルで荷支持手段を前記下降限ストッパーにより受け止め
ることが出来る。従って、前記下降限ストッパーが一定
レベルに固定されている場合のように、前記吊下具が弛
んで併設の弛み検出手段が作動し、一切の動作が自動停
止してしまうような不都合も生じない。Moreover, since the lowering limit stopper receives the load on the load supporting means side and descends against the upward biasing force, the extension of the suspending tool such as a belt or the variation of the suspension stop control of the suspending tool is temporarily assumed. Even if the lower limit level of the load supporting means is lowered, the load supporting means can be received by the lower limit stopper at the lowered lower limit level. Therefore, unlike the case where the descending limit stopper is fixed to a certain level, there is no inconvenience that the suspending tool is loosened and the slack detecting means provided side by side is actuated, and any operation is automatically stopped. ..
【００１３】特に、実施例に示したように前記下降限ス
トッパーに当接する被当接部を、前記昇降被案内部を構
成するガイドローラで兼用させるときは、使用部品点数
が少なくなって安価に実施することが出来、また、逆に
前記被当接部を、前記昇降被案内部を構成するガイドロ
ーラとは別の固定部材から構成するときは、下降限スト
ッパーとの間の摩擦を大きくして、荷支持手段の横揺れ
をより一層確実に防止することが出来る。In particular, when the abutting portion that abuts the lowering limit stopper is also used as the guide roller that constitutes the elevating and lowering guided portion as shown in the embodiment, the number of parts used is small and the cost is low. On the contrary, when the abutted portion is composed of a fixed member different from the guide roller that constitutes the elevating and guided portion, the friction between the lower limit stopper is increased. Thus, the rolling of the load supporting means can be prevented more reliably.
【図１】 昇降荷支持手段を備えた搬送装置を示す側面
図である。FIG. 1 is a side view showing a carrying device provided with a lifting / lowering load supporting means.
【図２】 昇降荷支持手段と昇降ガイドレールとを示す
正面図（Ａ図）と、同ガイドレールに付設の下降限スト
ッパーが荷支持手段側の被当接部を受け止めた状態を示
す要部の拡大縦断正面図（Ｂ図）である。FIG. 2 is a front view (A) showing the lifting load supporting means and the lifting guide rail, and a main part showing a state where a downward limit stopper attached to the guide rail receives a contacted portion on the load supporting means side. FIG. 4 is an enlarged vertical front view of FIG.
【図３】 図２Ｂと同一の状態を示す縦断側面図であ
る。FIG. 3 is a vertical sectional side view showing the same state as FIG. 2B.
【図４】 要部の変形例を示す縦断側面図である。FIG. 4 is a vertical cross-sectional side view showing a modified example of a main part.
１ 自走電車形搬送装置 ２ ガイドレール ３ 搬送用電車 ４ 荷支持手段 １０ 駆動プーリ １１ 吊下具（ベルト） １２ａ 昇降体 １２ｂ 荷支持具 １６ ブラケット １７ａ，１７ｂ 前後方向振れ止め用ガイドローラ １８ 左右方向振れ止め用ガイドローラ １９ 昇降被案内部 ２０ 被当接部 ２１ 昇降ガイドレール ２２ａ〜２３ 垂直レール面 ２４ 下降限ストッパー ２５ａ，２５ｂ 昇降ガイドロッド ２７ａ，２７ｂ 圧縮コイルスプリング ２８ 固定部材 DESCRIPTION OF SYMBOLS 1 Self-propelled electric train type conveying device 2 Guide rails 3 Conveying electric trains 4 Cargo support means 10 Driving pulleys 11 Hanging tools (belts) 12a Elevating bodies 12b Cargo support tools 16 Brackets 17a, 17b Forward / backward steadying guide rollers 18 Left / right directions Steering guide roller 19 Elevating guided portion 20 Abutted portion 21 Elevating guide rails 22a to 23 Vertical rail surface 24 Downward stoppers 25a, 25b Elevating guide rods 27a, 27b Compression coil spring 28 Fixing member
Claims (3)
られた荷支持手段を備えた搬送装置において、前記荷支
持手段の側部に昇降被案内部と被当接部とを突設し、荷
積み卸し場所における前記荷支持手段の下降限近傍位置
に前記昇降被案内部が嵌合して昇降するガイドレール
と、前記被当接部を支持する下降限ストッパーとを配設
し、当該下降限ストッパーは、一定範囲内昇降自在に支
持すると共に、上昇方向に付勢するスプリングを併設
し、前記荷支持手段が下降限まで下降したとき、前記下
降限ストッパーが前記スプリングの付勢力に抗して昇降
範囲内の中間レベルまで下降するように構成して成る搬
送装置の昇降荷支持手段位置決め装置。1. A transporting device comprising a load supporting means hung up and down by a plurality of suspending devices, wherein an elevating guided portion and an abutted portion are projected on a side portion of the load supporting means. Then, a guide rail is provided at a position near the lower limit of the load supporting means at the loading / unloading place, the guide rail being fitted and moved up and down, and a lower limit stopper supporting the abutted part, The lowering limit stopper is provided with a spring for vertically moving within a certain range and for urging in the ascending direction, and when the load supporting means descends to the lowering limit, the lowering limit stopper acts on the urging force of the spring. A lifting / lowering load supporting means positioning device for a transporting device, which is configured to be lowered to an intermediate level within a lifting range.
するガイドローラで兼用させて成る、請求項１に記載の
搬送装置の昇降荷支持手段位置決め装置。2. The elevating / lowering load supporting means positioning device for a carrying device according to claim 1, wherein the abutted portion is also used as a guide roller which constitutes the elevating / lowered guided portion.
するガイドローラとは別の固定部材から構成されて成
る、請求項１に記載の搬送装置の昇降荷支持手段位置決
め装置。3. The elevating / lowering load supporting means positioning device for a carrying device according to claim 1, wherein the abutted portion is constituted by a fixing member which is different from a guide roller which constitutes the elevating / lowered guided portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4790792A JP2830589B2 (en) | 1992-02-03 | 1992-02-03 | Elevating load support means positioning device for transfer device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4790792A JP2830589B2 (en) | 1992-02-03 | 1992-02-03 | Elevating load support means positioning device for transfer device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH05213581A true JPH05213581A (en) | 1993-08-24 |
| JP2830589B2 JP2830589B2 (en) | 1998-12-02 |
Family
ID=12788452
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4790792A Expired - Fee Related JP2830589B2 (en) | 1992-02-03 | 1992-02-03 | Elevating load support means positioning device for transfer device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2830589B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008081214A (en) * | 2006-09-26 | 2008-04-10 | Okamura Corp | Positioning device at load transfer time in rotary rack |
-
1992
- 1992-02-03 JP JP4790792A patent/JP2830589B2/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008081214A (en) * | 2006-09-26 | 2008-04-10 | Okamura Corp | Positioning device at load transfer time in rotary rack |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2830589B2 (en) | 1998-12-02 |
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|---|---|---|---|
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 19980825 |
|
| LAPS | Cancellation because of no payment of annual fees |