JP2583517Y2 - Transport cart swivel device - Google Patents
Transport cart swivel deviceInfo
- Publication number
- JP2583517Y2 JP2583517Y2 JP114893U JP114893U JP2583517Y2 JP 2583517 Y2 JP2583517 Y2 JP 2583517Y2 JP 114893 U JP114893 U JP 114893U JP 114893 U JP114893 U JP 114893U JP 2583517 Y2 JP2583517 Y2 JP 2583517Y2
- Authority
- JP
- Japan
- Prior art keywords
- turning
- pair
- swing
- wheels
- floor
- 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
Landscapes
- Automatic Assembly (AREA)
- Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
- Intermediate Stations On Conveyors (AREA)
- Specific Conveyance Elements (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本考案は、一端に一対の固定輪を
備え、他端に少なくとも１個の旋回輪を備えた搬送台車
を旋回させるための搬送台車旋回装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a carrier swing device for swinging a carrier having a pair of fixed wheels at one end and at least one swing wheel at the other end.
【０００２】[0002]
【従来の技術】自動車の組立ラインの一側に部品を搭載
した搬送台車を停止させ、作業員が前記搬送台車から取
り出した部品を自動車の車体に組付ける作業を行う場
合、搬送台車の片側に搭載した部品が無くなった時に、
反対側に搭載した部品を取り出すべく搬送台車を１８０
°旋回させている。一般にかかる搬送台車には２個の固
定輪と２個の旋回輪（キャスタ）とが設けられており、
この搬送台車を旋回させるには、前記固定輪側を軸にし
て旋回輪側を旋回させる必要がある。2. Description of the Related Art When a carrier carrying parts mounted on one side of an automobile assembly line is stopped, and a worker performs an operation of assembling parts taken out of the carrier on the body of the car, the carrier is mounted on one side of the carrier. When the mounted parts are gone,
To remove the components mounted on the opposite side,
° It is turning. Generally, such a transport vehicle is provided with two fixed wheels and two turning wheels (casters),
In order to turn the carrier, it is necessary to turn the turning wheel side around the fixed wheel side.
【０００３】[0003]
【考案が解決しようとする課題】ところで、従来のやり
方で搬送台車を旋回させるには該搬送台車の全長の約２
倍のスペースが必要であるが、狭隘な組付ステーション
において前記スペースを確保することは困難である。こ
のような場合、搬送台車を他の空きスペースまで移動さ
せて１８０°旋回させた後、逆向きにして元の場所に戻
しているが、多数の部品を搭載した重い搬送台車を空き
スペースまで往復させるのに大きな労力と無駄な時間を
費やす問題があった。By the way, in order to turn the carrier in a conventional manner, it is necessary to make the carrier approximately two times the entire length of the carrier.
Although twice as much space is required, it is difficult to secure the space in a narrow assembly station. In such a case, the carriage is moved to another empty space, turned 180 °, and then returned to the original place in the opposite direction, but the heavy carriage with many components is reciprocated to the empty space. There was a problem of spending a lot of effort and wasted time to make it work.
【０００４】本考案は前述の事情に鑑みてなされたもの
で、搬送台車を狭いスペースで簡単に旋回させることが
可能であり、しかも構造が簡単で低コストな搬送台車旋
回装置を提供することを目的ととする。The present invention has been made in view of the above-mentioned circumstances, and an object of the present invention is to provide a low-cost carrier bogie turning apparatus which can easily turn a carrier in a small space and has a simple structure. The purpose.
【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
に、本考案は、一端に一対の固定輪を備え、他端に少な
くとも１個の旋回輪を備えた搬送台車を旋回させるため
の搬送台車旋回装置であって、床面に上下方向に設けら
れた旋回軸と、旋回軸によって内端を枢支された旋回ア
ームと、旋回アームの外端に設けられて前記旋回軸を中
心とする円弧に沿って床面上を転動する車輪と、旋回ア
ームの両側に設けられて旋回方向に延びる一対の揺動軸
と、各揺動軸によって長手方向中間部を上下揺動自在に
枢支され、自重で床面に当接する内端部から前記搬送台
車の一対の固定輪がそれぞれ進入可能な一対のガイドレ
ールと、ガイドレールの外端部が搬送台車の重量で前記
揺動軸回りに床面に向けて揺動したとき、前記外端部を
床面に当接しない位置に規制するストッパ手段とを備え
たことを特徴とする。SUMMARY OF THE INVENTION In order to achieve the above-mentioned object, the present invention provides a carrier for turning a carrier having a pair of fixed wheels at one end and at least one turning wheel at the other end. A bogie swivel device, comprising: a swivel shaft vertically provided on a floor surface; a swivel arm pivotally supported at an inner end by the swivel shaft; and a swivel arm provided at an outer end of the swivel arm and centered on the swivel shaft. Wheels that roll on the floor along an arc, a pair of swing shafts provided on both sides of the swing arm and extending in the swing direction, and pivotally support the middle part in the longitudinal direction vertically by each swing shaft. A pair of guide rails into which a pair of fixed wheels of the carriage can enter respectively from an inner end which abuts on the floor surface by its own weight, and an outer end of the guide rail is rotated around the swing axis by the weight of the carriage. When swinging toward the floor, the outer end does not come into contact with the floor Characterized by comprising a stopper means for regulating the location.
【０００６】[0006]
【実施例】以下、図面に基づいて本考案の実施例を説明
する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings.
【０００７】図１〜図３は本考案の一実施例を示すもの
で、図１は搬送台車旋回装置の全体平面図、図２は図１
の２方向矢視図、図３は作用の説明図である。FIGS. 1 to 3 show an embodiment of the present invention. FIG. 1 is an overall plan view of a conveyor trolley, and FIG. 2 is FIG.
3 is an explanatory diagram of the operation.
【０００８】図３に示すように、自動車の車体に組付け
る部品を搭載する搬送台車Ｄは、上面が開放した箱状の
台車本体１を備え、その長手方向一端部の下面に左右一
対の固定輪２，２を備えるとともに、その長手方向他端
部の下面に左右一対の旋回輪３，３を備える。旋回輪
３，３は上下方向の軸４，４回りに首振り自在なキャス
タとして構成される。As shown in FIG. 3, a transporting trolley D for mounting components to be mounted on the body of an automobile is provided with a box-shaped trolley body 1 having an open upper surface, and a pair of right and left fixed lower surfaces at one longitudinal end. In addition to the wheels 2, 2, a pair of left and right turning wheels 3, 3 are provided on the lower surface of the other end in the longitudinal direction. The revolving wheels 3 and 3 are configured as casters that can swing freely about vertical axes 4 and 4.
【０００９】図１及び図２に示すように、前記搬送台車
１を旋回させるための旋回装置Ｔは、床面Ｆに固設した
旋回ベース１１を備える。旋回ベース１１に立設した旋
回軸１２の上端には、軸受（図示せず）を介して旋回プ
レート１３が水平面内で旋回自在に支持されており、こ
の旋回プレート１３に先端がハ字状に拡開する一対の旋
回アーム１４，１４の内端が固着される。旋回アーム１
４，１４の外端に設けた車輪支持プレート１５，１５の
下面には、それぞれ車輪１６，１６が軸支される。車輪
１６，１６の回転軸の方向は前記旋回アーム１４，１４
の長手方向に一致しており、従って車輪１６，１６は前
記旋回軸１２を中心とする円弧に沿って配置されて床面
Ｆ上をスムーズに転動することができる。As shown in FIGS. 1 and 2, a turning device T for turning the carrier 1 has a turning base 11 fixed to a floor F. A turning plate 13 is supported at the upper end of a turning shaft 12 erected on the turning base 11 via a bearing (not shown) so as to be turnable in a horizontal plane. The inner ends of the pair of swiveling arms 14, 14 that expand are fixed. Swivel arm 1
Wheels 16, 16 are respectively supported on the lower surfaces of the wheel support plates 15, 15 provided at the outer ends of the wheels 4, 14. The direction of the rotation axis of the wheels 16, 16 is
Therefore, the wheels 16, 16 are arranged along an arc centered on the turning shaft 12, and can smoothly roll on the floor F.
【００１０】一対の旋回アーム１４，１４の上面にはそ
れぞれブラケット１７，１７が設けられており、これら
ブラケット１７，１７に固定した連結部材１８によって
両旋回アーム１４，１４が一体に結合される。連結部材
１８の左右各端部には、端板１９、スペーサ板２０及び
ストッパ板２１が重ね合わされた状態で固着される。ス
トッパ板２１，２１には、それぞれ軸受２２，２２を介
して前記連結部材１８の長手方向に延びる揺動軸２３，
２３が回転自在に支持されており、これら揺動軸２３、
２３の外端にブラケット２４，２４を介して一対のガイ
ドレール２５，２５の長手方向中間部が固着される。[0010] Brackets 17, 17 are provided on the upper surfaces of the pair of revolving arms 14, 14, respectively. The revolving arms 14, 14 are integrally connected by a connecting member 18 fixed to the brackets 17, 17. An end plate 19, a spacer plate 20, and a stopper plate 21 are fixed to the left and right end portions of the connecting member 18 in a state where they are overlapped. A swinging shaft 23 extending in the longitudinal direction of the connecting member 18 via bearings 22
23 are rotatably supported, and these swing shafts 23,
An intermediate portion in the longitudinal direction of the pair of guide rails 25 is fixed to the outer end of the pair via brackets 24.
【００１１】ガイドレール２５，２５は搬送台車Ｄの固
定輪２，２が進入可能なように断面溝形に形成されてお
り、その内端部２５1 ，２５1 、即ち旋回軸１２に近い
側の端部の側壁は、固定輪２，２を案内するためにハ字
状に拡開している。前記揺動軸２３，２３はガイドレー
ル２５，２５の長手方向中心よりも外端部２５2 ，２５
2 寄り、即ち旋回軸１２に遠い側に偏倚しており、従っ
てガイドレール２５，２５の内端部２５1 ，２５1 は自
重によって床面Ｆに当接する（図２参照）。The guide rails 25, 25 are formed in a groove shape in cross section so that the fixed wheels 2, 2 of the carriage D can enter, and the inner ends 25 1 , 25 1 , that is, the side close to the pivot 12 The side wall of the end portion is expanded in a C-shape to guide the fixed wheels 2. The swinging shafts 23, 23 are located at outer ends 25 2 , 25
2 closer, that is, offset to the side far from the pivot axis 12, thus the inner end 25 1, 25 1 of the guide rails 25, 25 abuts on the floor surface F by its own weight (see Fig. 2).
【００１２】ガイドレール２５，２５の外端部２５2 ，
２５2 には、進入した台車Ｄの固定輪２，２が当接する
台車ストッパ２６，２６が設けられる。また、ガイドレ
ール２５，２５の外端部２５2 ，２５2 近傍の内面に設
けたブラケット２７，２７にはストッパボルト２８，２
８が下向きに螺入されており、これらストッパボルト２
８，２８の先端に当接可能なストッパ突起２９，２９が
前記ストッパ板２１，２１の下部に突設される。図２の
状態において、ストッパボルト２８，２８の下端とスト
ッパ突起２９，２９との間には僅かな隙間が形成されて
おり、ガイドレール２５，２５が揺動軸２３，２３回り
に矢印Ａ方向に揺動して図３の鎖線の状態になったと
き、ガイドレール２５，２５の内端部２５1 ，２５1 は
床面Ｆから僅かに離間し、且つ外端部２５2 ，２５2 と
床面Ｆとの間に僅かな隙間が保持される。The outer ends 25 2 of the guide rails 25, 25,
The 25 2, fixed wheels 2, 2 of the entrance to the carriage D is carriage stopper 26 abuts is provided. In addition, stopper bolts 28, 2 are provided on brackets 27, 27 provided on the inner surfaces near the outer ends 25 2 , 252 of the guide rails 25, 25.
8 are screwed downward, and these stopper bolts 2
Stopper projections 29, 29 that can abut on the tips of 8, 28 project from the lower portions of the stopper plates 21, 21. In the state of FIG. 2, a slight gap is formed between the lower ends of the stopper bolts 28, 28 and the stopper projections 29, 29, and the guide rails 25, 25 rotate around the swing shafts 23, in the direction of arrow A. swings when the state of chain line in FIG. 3, the inner end 25 1, 25 1 of the guide rails 25 and 25 slightly spaced from the floor surface F, and the outer end 25 2, 25 2 and A slight gap is maintained between the floor and the floor F.
【００１３】図３から明らかなように、旋回軸１２と車
輪１６，１６との距離は、搬送台車Ｄの全長Ｌの略２分
の１に設定されており、搬送台車Ｄを旋回装置Ｔにセッ
トした状態において、旋回軸１２は搬送台車Ｄの略中央
部に位置することになる。As is apparent from FIG. 3, the distance between the turning shaft 12 and the wheels 16, 16 is set to approximately one half of the total length L of the transport vehicle D. In the set state, the turning shaft 12 is located at a substantially central portion of the transport vehicle D.
【００１４】次に、前述の構成を備えた本考案の実施例
の作用について説明する。Next, the operation of the embodiment of the present invention having the above-described configuration will be described.
【００１５】組立ラインの一側の床面に設けられた旋回
装置Ｔは、搬送台車Ｄをセットしない状態では、一対の
ガイドレール２５，２５の内端部２５1 ，２５1 が、自
重で揺動軸２３，２３回りに揺動して床面Ｆに当接して
いる（図２参照）。この状態から部品を搭載した搬送台
車Ｄを移動させ、その固定輪２，２をガイドレール２
５，２５の内端部２５1 ，２５1 から進入させる。The turning device T arranged on the floor of one side of the assembly line, when no set of transport vehicle D, the inner end 25 1, 25 1 of the pair of guide rails 25, 25, swinging by its own weight It swings around the driving shafts 23 and 23 and contacts the floor surface F (see FIG. 2). From this state, the carrier D on which the parts are mounted is moved, and the fixed wheels 2 are moved to the guide rails 2.
5 and 25 are entered from the inner ends 25 1 and 25 1 .
【００１６】固定輪２，２が揺動軸２３，２３の位置を
越えると、搬送台車Ｄの重量でガイドレール２５，２５
は揺動軸２３，２３回りに図３の実線位置から鎖線位置
に揺動する。その結果、ガイドレール２５，２５の内端
部２５1 ，２５1 は床面Ｆから離間し、またストッパボ
ルト２８，２８がストッパ突起２９，２９に当接するこ
とにより、外端部２５2 ，２５2 は床面Ｆから僅かに離
間した位置に停止する。このとき、ガイドレール２５，
２５の外端部２５2 ，２５2 が低くなるように傾斜する
ため、搬送台車Ｄの固定輪２，２はガイドレール２５，
２５の外端部２５2 ，２５2 に設けた台車ストッパ２
６，２６に当接して位置決めされる。When the fixed wheels 2, 2 exceed the positions of the pivot shafts 23, 23, the guide rails 25, 25
Swings from the solid line position in FIG. As a result, by the inner end 25 1, 25 1 of the guide rails 25 and 25 spaced from the floor F, also the stopper bolt 28 abuts against the stopper projection 29, the outer end 25 2, 25 2 stops at a position slightly separated from the floor F. At this time, the guide rail 25,
25 are inclined so that the outer ends 25 2 , 25 2 thereof become lower.
Carriage stopper 2 provided on the outer end 25 2, 25 2 of 25
It is positioned in contact with 6, 26.
【００１７】この状態で、作業員は搬送台車Ｄの片側に
搭載した部品を取り出して組立ライン上の車体に組付
け、搬送台車Ｄの片側に搭載した部品が無くなると、反
対側の部品を取り出すべく搬送台車Ｄを１８０°旋回さ
せる。即ち、搬送台車Ｄの固定輪２，２側の端部を水平
方向に押圧すると、旋回装置Ｔは搬送台車Ｄを支持した
状態で、一対の車輪１６，１６を床面Ｆ上を転動させな
がら旋回軸１２回りに旋回する。In this state, the worker takes out the components mounted on one side of the transport trolley D, assembles them on the vehicle body on the assembly line, and when there are no more components mounted on one side of the transport trolley D, removes the components on the opposite side. The carriage D is rotated by 180 ° in order to achieve this. That is, when the end portion of the transport vehicle D on the side of the fixed wheels 2 and 2 is pressed in the horizontal direction, the turning device T causes the pair of wheels 16 and 16 to roll on the floor surface F while supporting the transport vehicle D. While turning around the turning axis 12.
【００１８】このとき、ガイドレール２５，２５の内端
部２５1 ，２５1 及び外端部２５2，２５2 は共に床面
Ｆから離間しており、且つ固定輪２，２がガイドレール
２５，２５によって支持されているため、搬送台車Ｄは
一対の車輪１６，１６及び一対の旋回輪３，３に支持さ
れて軽い力で容易に旋回することができる。しかも、旋
回軸１２が搬送台車Ｄの略中央部にあるため、搬送台車
Ｄは自己の全長Ｌを直径とする極めて狭い円内で旋回す
ることができる。搬送台車Ｄを元の状態に戻すには、旋
回装置Ｔを同方向に更に１８０°旋回させるか、逆方向
に１８０°旋回させれば良い。[0018] At this time, the inner end 25 1, 25 1 and an outer end portion 25 2 of the guide rails 25, 25, 25 2 are spaced apart both from the floor F, and the fixed ring 2, 2 guide rails 25 , 25, the carrier D is supported by the pair of wheels 16, 16 and the pair of turning wheels 3, 3, and can easily turn with a small force. In addition, since the turning shaft 12 is located substantially at the center of the transport vehicle D, the transport vehicle D can rotate within an extremely narrow circle whose diameter is the total length L of the transport vehicle D. In order to return the transport cart D to the original state, the turning device T may be further turned 180 ° in the same direction or 180 ° in the opposite direction.
【００１９】以上、本考案の実施例を詳述したが、本考
案は前記実施例に限定されるものでなく、種々の設計変
更を行うことが可能である。Although the embodiment of the present invention has been described in detail above, the present invention is not limited to the above embodiment, and various design changes can be made.
【００２０】例えば、実施例の搬送台車Ｄは一対の固定
輪２，２及び一対の旋回輪３，３を備えているが、本考
案は一対の固定輪２，２及び１個の旋回輪３を備えた搬
送台車Ｄに対しても適用することができる。また、旋回
アーム１４，１４は必ずしも２本必要ではなく、１本で
あっても良い。For example, the transport vehicle D of the embodiment has a pair of fixed wheels 2 and 2 and a pair of turning wheels 3 and 3, but the present invention provides a pair of fixed wheels 2 and 2 and one turning wheel 3 The present invention can also be applied to a transport vehicle D provided with Further, the number of the swing arms 14 is not necessarily two, and may be one.
【００２１】[0021]
【考案の効果】以上のように本考案によれば、旋回軸回
りに旋回可能なガイドレール上に搬送台車の固定輪を支
持して床面から離間させ、搬送台車の重量をガイドレー
ルに設けた車輪と搬送台車の旋回輪とによって支持しな
がら前記旋回軸回りに旋回させることができる。これに
より、狭いスペースでの搬送台車の旋回が可能になるだ
けでなく、搬送台車の旋回に要する作業員の労力を大幅
に軽減することができる。As described above, according to the present invention, the fixed wheel of the carrier is supported on the guide rail that can rotate around the pivot axis and is separated from the floor surface, and the weight of the carrier is provided on the guide rail. It can be turned around the turning axis while being supported by the turned wheels and the turning wheels of the transport vehicle. Thus, not only can the transport vehicle be turned in a narrow space, but also the labor of the operator required for turning the transport vehicle can be significantly reduced.
【図１】搬送台車旋回装置の全体平面図FIG. 1 is an overall plan view of a transport bogie turning device.
【図２】図１の２方向矢視図FIG. 2 is a view in the direction of arrows in FIG. 1;
【図３】作用の説明図FIG. 3 is an explanatory diagram of an operation.
２ 固定輪 ３ 旋回輪 １２ 旋回軸 １４ 旋回アーム １６ 車輪 ２３ 揺動軸 ２５ ガイドレール ２５1 内端部 ２５2 外端部 ２８ ストッパボルト（ストッパ手段） ２９ ストッパ突起（ストッパ手段） Ｄ 搬送台車 Ｆ 床面2 Fixed wheel 3 Slewing wheel 12 Slewing shaft 14 Slewing arm 16 Wheel 23 Swing shaft 25 Guide rail 25 1 Inner end 25 2 Outer end 28 Stopper bolt (stopper means) 29 Stopper projection (stopper means) D Carriage F Floor surface
Claims (1)
に少なくとも１個の旋回輪（３）を備えた搬送台車
（Ｄ）を旋回させるための搬送台車旋回装置であって、 床面（Ｆ）に上下方向に設けられた旋回軸（１２）と、
旋回軸（１２）によって内端を枢支された旋回アーム
（１４）と、旋回アーム（１４）の外端に設けられて前
記旋回軸（１２）を中心とする円弧に沿って床面（Ｆ）
上を転動する車輪（１６）と、旋回アーム（１４）の両
側に設けられて旋回方向に延びる一対の揺動軸（２３）
と、各揺動軸（２３）によって長手方向中間部を上下揺
動自在に枢支され、自重で床面（Ｆ）に当接する内端部
（２５1 ）から前記搬送台車（Ｄ）の一対の固定輪
（２）がそれぞれ進入可能な一対のガイドレール（２
５）と、ガイドレール（２５）の外端部（２５2 ）が搬
送台車（Ｄ）の重量で前記揺動軸（２３）回りに床面
（Ｆ）に向けて揺動したとき、前記外端部（２５2 ）を
床面（Ｆ）に当接しない位置に規制するストッパ手段
（２８，２９）とを備えたことを特徴とする、搬送台車
旋回装置。1. A transport trolley turning device for turning a transport trolley (D) having a pair of fixed wheels (2) at one end and at least one turning wheel (3) at the other end, A turning shaft (12) provided in the vertical direction on the floor surface (F);
A turning arm (14) pivotally supported at its inner end by a turning shaft (12), and a floor (F) provided at an outer end of the turning arm (14) along an arc centered on the turning shaft (12). )
A wheel (16) rolling on the upper side and a pair of swing shafts (23) provided on both sides of the swing arm (14) and extending in the swing direction.
And a pair of the transport carts (D) from the inner end (25 1 ), which is pivotally supported by the swing shafts (23) at an intermediate portion in the longitudinal direction so as to be vertically swingable and abuts against the floor surface (F) by its own weight. A pair of guide rails (2) into which the fixed wheels (2)
5) and when the outer end (25 2 ) of the guide rail (25) swings toward the floor (F) around the swing axis (23) due to the weight of the carrier (D), A transport trolley turning device, comprising: stopper means (28, 29) for restricting an end (25 2 ) to a position where the end (25 2 ) does not come into contact with the floor surface (F).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP114893U JP2583517Y2 (en) | 1993-01-20 | 1993-01-20 | Transport cart swivel device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP114893U JP2583517Y2 (en) | 1993-01-20 | 1993-01-20 | Transport cart swivel device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0656033U JPH0656033U (en) | 1994-08-02 |
| JP2583517Y2 true JP2583517Y2 (en) | 1998-10-22 |
Family
ID=11493361
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP114893U Expired - Lifetime JP2583517Y2 (en) | 1993-01-20 | 1993-01-20 | Transport cart swivel device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2583517Y2 (en) |
-
1993
- 1993-01-20 JP JP114893U patent/JP2583517Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0656033U (en) | 1994-08-02 |
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