JP5474639B2

JP5474639B2 - Transport cart

Info

Publication number: JP5474639B2
Application number: JP2010085669A
Authority: JP
Inventors: 真司堀川; 充弘森田; 秀明古田; 忠博篠原
Original assignee: Honda Motor Co Ltd
Current assignee: Honda Motor Co Ltd
Priority date: 2010-04-02
Filing date: 2010-04-02
Publication date: 2014-04-16
Anticipated expiration: 2030-04-02
Also published as: JP2011213472A

Description

本発明は、上下に複数段の引き出し棚を中央枠部材に対して左右対称に配設した搬送台車に関する。 The present invention relates to a transport carriage in which a plurality of drawer shelves are arranged symmetrically with respect to a central frame member.

従来の搬送台車としては、部品組付け作業の順番を考慮して、複数種類の部品を収容するために、上下に複数段の引き出し棚を中央枠部材に対して左右対称に配設した搬送台車が知られている。このような複数段に引き出し棚を備えた搬送台車においては、作業内容によって上段から順次棚を引き出し、部品の出し入れをしたり、或いは下段から棚を引き出したりする。そして、上段の棚の引き出し量が大きかったり、或いは引き出した上段の棚に収納されている部品が重かったりする場合には、台車のバランスが失われて台車自体が転倒する虞がある。 As a conventional transport cart, in consideration of the order of parts assembly work, a transport cart in which a plurality of drawer shelves are arranged symmetrically with respect to the central frame member in order to accommodate a plurality of types of parts. It has been known. In such a carriage with a plurality of stages of drawer shelves, the shelves are sequentially pulled out from the upper stage and parts are taken in and out, or the shelves are pulled out from the lower stage. If the amount of drawer on the upper shelf is large, or if the components stored in the drawer on the upper shelf are heavy, the balance of the carriage may be lost and the carriage itself may fall.

そこで、特許文献１には、筐体に対して該筐体の前後方向に摺動する一対以上の引き出しと、対となる引き出しの一方が前記筐体の前側に引き出されると、対となる引き出しの他方が前記筐体の後側へと引き出されるように、対となる二つの引き出しを連動させる連動機構とを備えて、転倒防止を図る部品台車が記載されている。 Therefore, in Patent Document 1, a pair of drawers that slide in the front-rear direction of the casing with respect to the casing and a pair of drawers when one of the pair of drawers is pulled out to the front side of the casing. There is described a parts cart that includes an interlocking mechanism that interlocks two drawers that are paired so that the other of the two is pulled out to the rear side of the housing.

特開２００９−２７４８４８号公報JP 2009-274848 A

しかし、特許文献１においては、一方の引き出しが引き出されると、必要としていない対となる他方の引き出しも反対側に引き出されるために使い勝手が悪く、また対となる二つの引き出しを連動させる連動機構を必要とするために台車として複雑な構造となる。 However, in Patent Document 1, when one drawer is pulled out, the other pair of drawers that are not required is also pulled out to the opposite side, so that it is not easy to use, and an interlocking mechanism that interlocks the two drawers that are paired is provided. It becomes a complicated structure as a cart because it is necessary.

本発明は、従来の技術が有するこのような問題点に鑑みてなされたものであり、その目的とするところは、簡易な構成によって棚の引き出し時における転倒を防止することができる搬送台車を提供しようとするものである。 The present invention has been made in view of such problems of the prior art, and an object of the present invention is to provide a transport carriage that can prevent overturning when a shelf is pulled out with a simple configuration. It is something to try.

上記課題を解決すべく請求項１に係る発明は、上下に複数段の引き出し棚を中央枠部材に対して左右対称に配置した搬送台車において、前記中央枠部材に取り付けた軸を中心に引き出し規制部材を回動自在に設け、この引き出し規制部材を回動させることにより、左上側と右下側に配置した引き出し棚、または右上側と左下側に配置した引き出し棚が引き出されるのを規制するものである。 In order to solve the above-mentioned problem, the invention according to claim 1 is a conveyance cart in which a plurality of upper and lower drawer shelves are arranged symmetrically with respect to the central frame member, and the drawer is regulated around an axis attached to the central frame member. A member is provided so as to be pivotable, and the drawer restricting member is pivoted to restrict the drawer shelves arranged on the upper left side and the lower right side or the drawer shelves arranged on the upper right side and the lower left side from being pulled out. It is.

また、前記左上側に配置した引き出し棚の数よりも前記右下側に配置した引き出し棚の数を多くし、また前記右上側に配置した引き出し棚の数よりも前記左下側に配置した引き出し棚の数を多くすることができる。 Further, the number of drawer shelves arranged on the lower right side is larger than the number of drawer shelves arranged on the upper left side, and the drawer shelves arranged on the lower left side than the number of drawer shelves arranged on the upper right side The number of can be increased.

また、前記引き出し規制部材が時計回り方向または反時計回り方向に所定角度で回動を停止する回動規制部材を設けることもできる。 It is also possible to provide a rotation restricting member for stopping the rotation of the drawer restricting member at a predetermined angle in the clockwise direction or the counterclockwise direction.

請求項１に係る発明によれば、左上側と右下側に配置した引き出し棚を引き出す時には、右上側と左下側に配置した引き出し棚の引き出しを規制し、右上側と左下側に配置した引き出し棚を引き出す時には、左上側と右下側に配置した引き出し棚の引き出しを規制することにより、引き出し可能な複数の引き出し棚を一度に引き出しても、バランスを維持して搬送台車の転倒を防止することができる。 According to the first aspect of the present invention, when the drawer shelves arranged on the upper left side and the lower right side are pulled out, the drawers arranged on the upper right side and the lower left side are restricted, and the drawers arranged on the upper right side and the lower left side are controlled. When pulling out the shelves, by restricting the pull-out of the drawer shelves arranged on the upper left side and the lower right side, even if multiple drawer shelves can be pulled out at once, the balance is maintained and the cart is prevented from falling be able to.

また、左上側に配置した引き出し棚の数よりも右下側に配置した引き出し棚の数が多くなるように、また右上側に配置した引き出し棚の数よりも左下側に配置した引き出し棚の数が多くなるように設定すれば、引き出し可能な複数の引き出し棚を一度に引き出しても、重心が安定していて、搬送台車の転倒を確実に防止することができる。 Also, the number of drawer shelves arranged on the lower left side than the number of drawer shelves arranged on the upper right side so that the number of drawer shelves arranged on the lower right side is larger than the number of drawer shelves arranged on the upper left side. By setting the number of drawers to be increased, the center of gravity is stable even when a plurality of drawer shelves that can be pulled out are pulled out at one time, and the conveyance carriage can be reliably prevented from falling.

また、引き出し規制部材が時計方向または反時計方向に所定角度で回動を停止する回動規制部材を設ければ、引き出し規制部材の操作を確実且つ容易に行なうことができる。 In addition, if the drawer restricting member is provided with a rotation restricting member that stops turning at a predetermined angle clockwise or counterclockwise, the drawer restricting member can be reliably and easily operated.

本発明に係る搬送台車の概要斜視図Outline perspective view of conveyance cart according to the present invention 本発明に係る搬送台車の説明図で、（ａ）は正面図、（ｂ）は背面図It is explanatory drawing of the conveyance trolley | bogie which concerns on this invention, (a) is a front view, (b) is a rear view. 本発明に係る搬送台車の動作説明図で、（ａ）は引き出し規制部材の時計回り方向への回動状態、（ｂ）は引き出し規制部材の反時計回り方向への回動状態FIG. 6 is an explanatory diagram of the operation of the transport carriage according to the present invention, in which (a) is a state in which the drawer restricting member is rotated in the clockwise direction, and (b) is a state in which the drawer restricting member is rotated in the counterclockwise direction

以下に本発明の実施の形態を添付図面に基づいて説明する。本発明に係る搬送台車１は、図１及び図２に示すように、ベース枠部材２、ベース枠部材２の四隅から立設するコーナ支柱３ａ，３ｂ，３ｃ，３ｄ、コーナ支柱３ａ，３ｂ，３ｃ，３ｄの各上端に四隅を連結したトップ枠部材４とで略直方体形状の筐体を形成している。そして、互いに隣接するコーナ支柱３ａ，３ｂ，３ｃ，３ｄの間には、ベース枠部材２とトップ枠部材４を連結する中央枠部材５ａ，５ｂ，５ｃ，５ｄが設けられている。なお、図面には、搬送台車１に収納する部品の記載を省略している。 Embodiments of the present invention will be described below with reference to the accompanying drawings. As shown in FIGS. 1 and 2, the transport carriage 1 according to the present invention includes a base frame member 2, corner posts 3 a, 3 b, 3 c, 3 d erected from four corners of the base frame member 2, corner posts 3 a, 3 b, A substantially rectangular parallelepiped casing is formed by the top frame member 4 having four corners connected to the upper ends of 3c and 3d. Center frame members 5a, 5b, 5c, and 5d that connect the base frame member 2 and the top frame member 4 are provided between the corner columns 3a, 3b, 3c, and 3d adjacent to each other. In the drawing, the description of the components housed in the transport carriage 1 is omitted.

また、ベース枠部材２の四隅裏面には、キャスタ６が取り付けられている。隣接する前面のコーナ支柱３ａ，３ｂと後面のコーナ支柱３ｃ，３ｄとの間には、夫々上下方向に等間隔でレール部材７が架設されている。更に、前面の中央枠部材５ａと後面の中央枠部材５ｂにも、前面のコーナ支柱３ａ，３ｂと後面のコーナ支柱３ｃ，３ｄとの間に架設されたレール部材７に夫々対向するよう上下方向に等間隔でレール部材７が架設されている。 In addition, casters 6 are attached to the back surfaces of the four corners of the base frame member 2. Rail members 7 are installed at equal intervals in the vertical direction between the adjacent front corner posts 3a and 3b and the rear corner posts 3c and 3d. Further, the front central frame member 5a and the rear central frame member 5b are also vertically opposed to the rail members 7 installed between the front corner columns 3a and 3b and the rear corner columns 3c and 3d. Rail members 7 are installed at equal intervals.

本発明の実施の形態では、上下に５段の引き出し棚が中央枠部材５ａに対して左右対称に合計１０個配置されている。そして、左側に配置された５段の引き出し棚Ｌ１，Ｌ２，Ｌ３，Ｌ４，Ｌ５の両サイドの一方が夫々前面のコーナ支柱３ａと後面のコーナ支柱３ｃとの間に架設されたレール部材７に、両サイドの他方が夫々前面の中央枠部材５ａと後面の中央枠部材５ｂに架設されたレール部材７に、摺動自在に係合している。 In the embodiment of the present invention, a total of ten drawer shelves in the upper and lower stages are arranged symmetrically with respect to the central frame member 5a. Then, one of both sides of the five-stage drawer shelves L1, L2, L3, L4, and L5 arranged on the left side is respectively attached to the rail member 7 installed between the front corner post 3a and the rear corner post 3c. The other of the two sides is slidably engaged with a rail member 7 installed on the front center frame member 5a and the rear center frame member 5b.

同様に、右側に配置された５段の引き出し棚Ｒ１，Ｒ２，Ｒ３，Ｒ４，Ｒ５の両サイドの一方が夫々前面のコーナ支柱３ｂと後面のコーナ支柱３ｄとの間に架設されたレール部材７に、両サイドの他方が夫々前面の中央枠部材５ａと後面の中央枠部材５ｂとの間に架設されたレール部材７に、摺動自在に係合している。なお、引き出し棚Ｌ１，…Ｒ１，…は、前面からも後面からも引き出すことができる。 Similarly, a rail member 7 in which one of both sides of five-stage drawer shelves R1, R2, R3, R4, and R5 arranged on the right side is installed between a front corner post 3b and a rear corner post 3d. In addition, the other of the both sides is slidably engaged with a rail member 7 installed between the central frame member 5a on the front surface and the central frame member 5b on the rear surface. Note that the drawer shelves L1,... R1,.

また、引き出し規制部材８ａ，８ｂが、前面の中央枠部材５ａ及び後面の中央枠部材５ｂの略中央部に設けた軸９ａ，９ｂを中心に回動自在に配設されている。引き出し規制部材８ａ，８ｂは、帯状に形成され、中央枠部材５ａ，５ｂを覆うように軸９ａ，９ｂに取り付けられている。 Further, the drawer regulating members 8a and 8b are disposed so as to be rotatable around shafts 9a and 9b provided at substantially central portions of the front central frame member 5a and the rear central frame member 5b. The drawer regulating members 8a and 8b are formed in a band shape and are attached to the shafts 9a and 9b so as to cover the central frame members 5a and 5b.

そして、引き出し規制部材８ａ，８ｂは、軸９ａ，９ｂを中心に時計回り方向または反時計回り方向に回動自在で、その回動範囲はトップ枠部材４に取り付けた回動規制部材１０により設定することができる。１１は引き出し規制部材８ａ，８ｂを回動する際に、作業者が把持する取っ手である。 The drawer restricting members 8 a and 8 b can be rotated clockwise or counterclockwise about the shafts 9 a and 9 b, and the rotation range is set by the rotation restricting member 10 attached to the top frame member 4. can do. Reference numeral 11 denotes a handle gripped by an operator when the drawer regulating members 8a and 8b are rotated.

１２ａは、搬送台車１を作業者が移動させる場合に、引き出し棚Ｌ１，Ｌ２，Ｌ３，Ｌ４，Ｌ５が前面に飛び出さないよう保持するための保持部材で、前面のコーナ支柱３ａに設けた上下２つの支持軸１３に開閉自在に取り付けられている。同様に、１２ｂも、引き出し棚Ｒ１，Ｒ２，Ｒ３，Ｒ４，Ｒ５が前面に飛び出さないよう保持するための保持部材で、前面のコーナ支柱３ｂに設けた上下２つの支持軸１３に開閉自在に取り付けられている。後面のコーナ支柱３ｃ，３ｄにも、同様な保持部材１２ｃ，１２ｄが開閉自在に取り付けられている。 Reference numeral 12a denotes a holding member for holding the drawer shelves L1, L2, L3, L4, and L5 so as not to jump out to the front when the operator moves the transport cart 1, and the upper and lower provided on the front corner post 3a. The two support shafts 13 are attached to be freely opened and closed. Similarly, 12b is a holding member for holding the drawer shelves R1, R2, R3, R4, and R5 so as not to jump out to the front surface. It is attached. Similar holding members 12c and 12d are attached to the rear corner posts 3c and 3d so as to be freely opened and closed.

以上のように構成された本発明に係る搬送台車１の動作について説明する。先ず、図３（ａ）に示すように、前面の引き出し規制部材８ａを時計回り方向に回動規制部材１０で規制されるまで回動する。そして、前面の保持部材１２ａ，１２ｂを開状態にする。なお、後面の保持部材１２ｃ，１２ｄは閉状態にしておく。なお、図３では前面に引き出し棚Ｌ１，…Ｒ１，…を引き出す場合を示し、保持部材１２ａ，１２ｂの記載は省略している。 The operation of the transport carriage 1 according to the present invention configured as described above will be described. First, as shown in FIG. 3A, the front drawer restricting member 8a is rotated clockwise until it is restricted by the rotation restricting member 10. Then, the front holding members 12a and 12b are opened. The rear holding members 12c and 12d are kept closed. 3 shows a case where the drawer shelves L1,... R1,... Are pulled out to the front, and the description of the holding members 12a and 12b is omitted.

すると、左上側に配置した引き出し棚Ｌ１，Ｌ２と右下側に配置した引き出し棚Ｒ３，Ｒ４，Ｒ５は、引き出し規制部材８ａに規制されず、前面に引き出すことができる。一方、左下側に配置した引き出し棚Ｌ３，Ｌ４，Ｌ５と右上側に配置した引き出し棚Ｒ１，Ｒ２は、引き出し規制部材８ａに当接するため前面に引き出すことができない。 Then, the drawer shelves L1 and L2 arranged on the upper left side and the drawer shelves R3, R4, and R5 arranged on the lower right side are not regulated by the drawer regulating member 8a and can be pulled out to the front. On the other hand, the drawer shelves L3, L4, and L5 arranged on the lower left side and the drawer shelves R1 and R2 arranged on the upper right side cannot be pulled out to the front because they are in contact with the drawer regulating member 8a.

そして、作業者は、前面に５つの引き出し棚Ｌ１，Ｌ２，Ｒ３，Ｒ４，Ｒ５を一度に引き出しても姿勢が安定している搬送台車１により、引き出し棚Ｌ１，Ｌ２，Ｒ３，Ｒ４，Ｒ５から部品を順次取り出したり、または積み込んだりして作業を円滑に行うことができる。 Then, the operator can remove from the drawer shelves L1, L2, R3, R4, R5 by the transport carriage 1 whose posture is stable even if the five drawer shelves L1, L2, R3, R4, R5 are pulled out to the front at a time. The parts can be taken out or loaded one after another for smooth operation.

次いで、図３（ｂ）に示すように、前面の引き出し規制部材８ａを反時計回り方向に回動規制部材１０で規制されるまで回動する。すると、右上側に配置した引き出し棚Ｒ１，Ｒ２と左下側に配置した引き出し棚Ｌ３，Ｌ４，Ｌ５は、引き出し規制部材８ａに規制されず、前面に引き出すことができる。一方、右下側に配置した引き出し棚Ｒ３，Ｒ４，Ｒ５と左上側に配置した引き出し棚Ｌ１，Ｌ２は、引き出し規制部材８ａに当接するため前面に引き出すことができない。 Next, as shown in FIG. 3B, the front drawer restricting member 8a is rotated in the counterclockwise direction until it is restricted by the rotation restricting member 10. Then, the drawer shelves R1, R2 arranged on the upper right side and the drawer shelves L3, L4, L5 arranged on the lower left side are not regulated by the drawer regulating member 8a and can be pulled out to the front. On the other hand, the drawer shelves R3, R4, R5 arranged on the lower right side and the drawer shelves L1, L2 arranged on the upper left side cannot be pulled out to the front because they are in contact with the drawer regulating member 8a.

そして、作業者は、前面に５つの引き出し棚Ｒ１，Ｒ２，Ｌ３，Ｌ４，Ｌ５を一度に引き出しても姿勢が安定している搬送台車１により、引き出し棚Ｒ１，Ｒ２，Ｌ３，Ｌ４，Ｌ５から部品を順次取り出したり、または積み込んだりして作業を円滑に行うことができる。 Then, the operator removes the five drawer shelves R1, R2, L3, L4, and L5 from the drawer racks R1, R2, L3, L4, and L5 by using the transport carriage 1 that has a stable posture even if it is pulled out at a time. The parts can be taken out or loaded one after another for smooth operation.

このように、引き出し規制部材８ａを時計回り方向に回動規制部材１０で規制されるまで回動した状態で、引き出し規制部材８ａに規制されず引き出し可能な複数段の引き出し棚Ｌ１，Ｌ２，Ｒ３，Ｒ４，Ｒ５を一度に引き出しても、左上側に配置した引き出し棚Ｌ１，Ｌ２の数（２段）よりも右下側に配置した引き出し棚Ｒ３，Ｒ４，Ｒ５の数（３段）を多くしたことによって、搬送台車１のバランスが維持され、搬送台車１が転倒することがない。 In this way, in a state where the drawer restricting member 8a is rotated clockwise until it is restricted by the rotation restricting member 10, a plurality of drawer shelves L1, L2, R3 that can be pulled out without being restricted by the drawer restricting member 8a. , R4, R5 even if pulled out at a time, the number of drawer shelves R3, R4, R5 arranged on the lower right side (three levels) is larger than the number of drawer shelves L1, L2 arranged on the upper left side (two stages) As a result, the balance of the transport cart 1 is maintained, and the transport cart 1 does not fall down.

また、引き出し規制部材８ａを反時計回り方向に回動規制部材１０で規制されるまで回動した状態で、引き出し規制部材８ａに規制されず引き出し可能な複数段の引き出し棚Ｒ１，Ｒ２，Ｌ３，Ｌ４，Ｌ５を一度に引き出しても、右上側に配置した引き出し棚Ｒ１，Ｒ２の数（２段）よりも左下側に配置した引き出し棚Ｌ３，Ｌ４，Ｌ５の数（３段）を多くしたことによって、搬送台車１のバランスが維持され、搬送台車１が転倒することがない。 Further, a plurality of drawer shelves R1, R2, L3 that can be pulled out without being regulated by the drawer regulating member 8a in a state in which the drawer regulating member 8a is rotated counterclockwise until regulated by the rotation regulating member 10. Even if L4 and L5 are pulled out at once, the number of drawer shelves L3, L4, and L5 arranged on the lower left side (three stages) is larger than the number of drawer shelves R1 and R2 arranged on the upper right side (two stages). Thus, the balance of the transport cart 1 is maintained, and the transport cart 1 does not fall down.

本発明によれば、上下に複数段の引き出し棚が中央枠部材に対して左右対称に配置された引き出し棚のうち、引き出し規制部材により規制されず引き出し可能な複数の引き出し棚を一度に引き出しても、バランスを維持して安定性のある搬送台車を提供することができる。 According to the present invention, among the drawer shelves in which the upper and lower drawer shelves are arranged symmetrically with respect to the central frame member, a plurality of drawer shelves that can be pulled out without being regulated by the drawer regulating member are pulled out at a time. In addition, it is possible to provide a stable transport cart while maintaining balance.

１…搬送台車、２…ベース枠部材、３ａ，３ｂ，３ｃ，３ｄ…コーナ支柱、４…トップ枠部材、５ａ，５ｂ，５ｃ，５ｄ…中央枠部材、６…キャスタ、７…レール部材、８ａ，８ｂ…引き出し規制部材、９ａ，９ｂ…軸、１０…回動規制部材、１２ａ，１２ｂ，１２ｃ，１２ｄ…保持部材、Ｌ１，Ｌ２，Ｌ３，Ｌ４，Ｌ５，Ｒ１，Ｒ２，Ｒ３，Ｒ４，Ｒ５…引き出し棚。 DESCRIPTION OF SYMBOLS 1 ... Conveyance cart, 2 ... Base frame member, 3a, 3b, 3c, 3d ... Corner support | pillar, 4 ... Top frame member, 5a, 5b, 5c, 5d ... Center frame member, 6 ... Caster, 7 ... Rail member, 8a , 8b ... Drawer restricting member, 9a, 9b ... Shaft, 10 ... Rotation restricting member, 12a, 12b, 12c, 12d ... Holding member, L1, L2, L3, L4, L5, R1, R2, R3, R4, R5 ... the drawer shelf.

Claims

上下に複数段の引き出し棚を中央枠部材に対して左右対称に配置した搬送台車において、前記中央枠部材に取り付けた軸を中心に引き出し規制部材を回動自在に設け、この引き出し規制部材を回動させることにより、左上側と右下側に配置した引き出し棚、または右上側と左下側に配置した引き出し棚が、引き出されるのを規制することを特徴とする搬送台車。 In a transport cart having a plurality of upper and lower drawer shelves arranged symmetrically with respect to the central frame member, a drawer restricting member is provided rotatably around an axis attached to the central frame member. By moving the drawer, the drawer shelves arranged on the upper left side and the lower right side or the drawer shelves arranged on the upper right side and the lower left side are regulated from being pulled out.

請求項１に記載の搬送台車において、前記左上側に配置した引き出し棚の数よりも前記右下側に配置した引き出し棚の数を多くし、また前記右上側に配置した引き出し棚の数よりも前記左下側に配置した引き出し棚の数を多くしたことを特徴とする搬送台車。 In the conveyance cart according to claim 1, the number of drawer shelves arranged on the lower right side is larger than the number of drawer shelves arranged on the upper left side, and more than the number of drawer shelves arranged on the upper right side. A transport cart characterized in that the number of drawer shelves arranged on the lower left side is increased.

請求項１又は２に記載の搬送台車において、前記引き出し規制部材が時計回り方向または反時計回り方向に所定角度で回動を停止する回動規制部材を設けたことを特徴とする搬送台車。 3. The transport carriage according to claim 1, further comprising a rotation restricting member that stops the pull-out restricting member from rotating at a predetermined angle in a clockwise direction or a counterclockwise direction.