JP5536613B2 - Trolley - Google Patents
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- JP5536613B2 JP5536613B2 JP2010236841A JP2010236841A JP5536613B2 JP 5536613 B2 JP5536613 B2 JP 5536613B2 JP 2010236841 A JP2010236841 A JP 2010236841A JP 2010236841 A JP2010236841 A JP 2010236841A JP 5536613 B2 JP5536613 B2 JP 5536613B2
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- 229910000831 Steel Inorganic materials 0.000 description 9
- 239000010959 steel Substances 0.000 description 9
- 230000005484 gravity Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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Description
本発明は、荷を載置する載置台を人力にて簡単に傾転可能な台車に関する。 The present invention relates to a carriage capable of easily tilting a placing table for placing a load by human power.
従来、移動可能な台車に、荷を載置する載置台を取り付けた台車がある。このような台車の載置台の上に、長尺の荷を水平に寝かせた状態で載せて搬送を行う場合、例えば、エレベータ等の奥行のない室内への進入ができなかったり、あるいは狭い通路での右左折が行えないために、台車での搬送ができない場合がある。そこで、例えば、特許文献１には、載置台を寝かせた状態（載置面が水平状態）と、載置台の載置面を傾斜させた状態とに、載置台を傾転可能とした台車が記載されている。これは、載置台を斜めに傾斜させることにより、荷あるいは載置台の長さあるいは幅を狭くし、スペースの小さな場所等への搬入を可能としたものである。 2. Description of the Related Art Conventionally, there is a cart in which a placing table for placing a load is attached to a movable cart. When a long load is placed horizontally on such a carriage table and transported, for example, it is not possible to enter a room without a depth such as an elevator, or in a narrow passage. Because it is not possible to make a right or left turn, there is a case where it cannot be transported by a cart. Therefore, for example, in Patent Document 1, there is a cart that can tilt the mounting table between a state in which the mounting table is laid down (the mounting surface is horizontal) and a state in which the mounting surface of the mounting table is inclined. Have been described. In this case, the length or width of the load or the mounting table is narrowed by inclining the mounting table, so that the loading table can be carried into a small space.
上記特許文献１に記載の台車は、流体圧シリンダ等の傾斜作動装置によって載置台の傾斜角度の制御が行われている。しかしながら、これは装置に費用がかかり、また、操作に危険がともなう。さらに、載置台の載置面の角度は、傾斜作動装置のみによって制御されており、角度を固定する機構が設けられていないため載置台がぐらつく可能性がある等、不安定かつ安全性に問題があった。 In the cart described in Patent Document 1, the tilt angle of the mounting table is controlled by a tilt actuator such as a fluid pressure cylinder. However, this is expensive for the device and is dangerous to the operation. Furthermore, the angle of the mounting surface of the mounting table is controlled only by the tilting actuator, and there is no mechanism for fixing the angle, so there is a possibility that the mounting table may wobble. was there.
そこで本発明はこのような問題点に鑑み、載置台を傾転可能に台車に取り付けた簡単な構造であり、かつ載置台を安定して固定可能な安全かつ取り扱いが容易な台車を提供することを目的とする。 SUMMARY OF THE INVENTION In view of the above problems, the present invention provides a cart that is simple and has a mounting structure that can be tilted and mounted on a cart, and that can be fixed stably and that is safe and easy to handle. With the goal.
そのため本発明は、移動可能な台車部と、台車部に取り付けられ、人力で簡単に傾転可能な荷を載置する載置面を有する載置台と、載置台の傾転を載置台の載置面が水平となる位置で固定可能な水平ロック部と、載置台の載置面が水平方向に対して所定角度傾斜する位置で固定可能な傾斜ロック部とを備えることを特徴とする。 Therefore, the present invention provides a movable carriage unit, a mounting table that is attached to the carriage unit and has a mounting surface on which a load that can be easily tilted by human power, and a tilt of the mounting table. A horizontal lock portion that can be fixed at a position where the mounting surface is horizontal, and a tilt lock portion that can be fixed at a position where the mounting surface of the mounting table is inclined at a predetermined angle with respect to the horizontal direction.
本発明によれば、載置台の傾転を一軸で行えるようにし、そして水平ロック部によって、載置面が水平となる位置で載置台を固定することができ、傾斜ロック部によって、載置面が傾斜した状態で載置台を固定することができる。このように、載置台を水平状態と傾斜状態とに固定することができるため、ロック部によって固定された安定した載置台を有する台車となる。 According to the present invention, the mounting table can be tilted uniaxially, and the mounting table can be fixed at a position where the mounting surface is horizontal by the horizontal lock unit. The mounting table can be fixed in a state where the angle is inclined. Thus, since the mounting table can be fixed in the horizontal state and the inclined state, the carriage has a stable mounting table fixed by the lock portion.
また、水平ロック部は、台車部に固定された水平側フック部と、載置台に設けた水平側フック部に係脱可能である水平側被係合部とより構成され、傾斜ロック部は、台車部に固定された傾斜側フック部と、載置台に設けた傾斜側フック部に係脱可能である傾斜側被係合部とより構成され、載置台にスライド可能に取り付けられると共に、水平側被係合部と傾斜側被係合部とを連結する連結部をさらに備え、連結部のスライドにより、水平側被係合部が、水平側フック部との係合を解除する方向に移動、および傾斜側被係合部が、傾斜側フック部との係合を解除する方向に移動することが好ましい。この構成によれば、水平ロック部と傾斜ロック部とを、連結部をスライドさせるだけで自動的に解除状態とすることができ、解除操作が容易となる。 Further, the horizontal lock portion is composed of a horizontal hook portion fixed to the carriage portion, and a horizontal engaged portion that can be engaged with and disengaged from the horizontal hook portion provided on the mounting table. It is composed of an inclined side hook portion fixed to the carriage portion and an inclined side engaged portion that is detachable from the inclined side hook portion provided on the mounting table, and is slidably attached to the mounting table, and also on the horizontal side A connecting portion that connects the engaged portion and the inclined side engaged portion; and the sliding of the connecting portion moves the horizontal-side engaged portion in a direction to release the engagement with the horizontal-side hook portion; Further, it is preferable that the inclined side engaged portion moves in a direction of releasing the engagement with the inclined side hook portion. According to this configuration, the horizontal lock portion and the tilt lock portion can be automatically released by simply sliding the connecting portion, and the release operation is facilitated.
また、載置台は、台車部上面における進行方向前側の位置を水平回転軸として台車部に傾転可能に取り付けられ、回転軸は、載置台に所定の荷が載置された状態における載置台の重心位置と一致していることが好ましい。そして台車部の前側フレームの下端部が垂直方向より前側に位置し、前側フレームが傾斜して傾転位置を形成している。この構成によれば、荷が載置された載置台の傾転が一軸で回転するため、載置台の傾転を人力等によって容易に行うことができる。 In addition, the mounting table is attached to the cart unit so as to be tiltable with the front position in the traveling direction on the upper surface of the cart unit as a horizontal rotation axis, and the rotation axis of the mounting table in a state where a predetermined load is placed on the mounting table. It is preferable to coincide with the position of the center of gravity. And the lower end part of the front side frame of a trolley | bogie part is located in the front side from the orthogonal | vertical direction, and the front side frame inclines and forms the tilt position. According to this configuration, since the tilt of the mounting table on which the load is mounted rotates about one axis, the mounting table can be easily tilted by human power or the like.
載置台が傾転状態の時に、傾斜ロック部よって固定されるが、さらに載置台と台車部とを繋ぎ、載置台の傾転を保持する安全ストッパが設けられていることが好ましい。この構成によれば、安全ストッパによって載置台が傾転した状態で固定されるため、傾斜ロック部と安全ストッパとによって載置台をより確実に固定することができる。 When the mounting table is tilted, the mounting table is fixed by the tilt lock unit, and it is preferable that a safety stopper is provided for connecting the mounting table and the carriage unit and maintaining the tilting of the mounting table. According to this configuration, since the mounting table is fixed in a tilted state by the safety stopper, the mounting table can be more reliably fixed by the tilt lock portion and the safety stopper.
載置台が傾斜ロック部によって固定された状態において、載置面の先端部に積荷ストッパ部が立設されていることが好ましい。この構成によれば、載置台が傾斜した状態であっても、載置台に載置された荷が、積荷ストッパ部によって載置面から滑り落ちることが防止される。 In a state where the mounting table is fixed by the inclined lock portion, it is preferable that the load stopper portion is erected at the tip portion of the mounting surface. According to this configuration, even when the mounting table is tilted, the load mounted on the mounting table is prevented from sliding off from the mounting surface by the load stopper portion.
本発明によれば、狭いエレベータへの進入あるいは狭い通路での右左折が可能となり、そして載置台を人力で簡単に傾転させることができ、そして載置台を安定して固定可能な台車を提供することができる。また、載置台の傾転を一軸で簡単に行え、そして載置面が水平となる位置で載置台を水平ロック部によって固定することができ、載置面が傾斜した状態で載置台を傾斜ロック部によって固定することができ、載置台を水平状態と傾斜状態とで固定できるため、安定した載置台を有する台車を提供できる。 According to the present invention, it is possible to enter a narrow elevator or turn left or right in a narrow passage, and to easily tilt the mounting table manually, and to provide a carriage that can be stably fixed. can do. In addition, the mounting table can be tilted easily on a single axis, and the mounting table can be fixed by the horizontal lock unit at a position where the mounting surface is horizontal, and the mounting table is tilt-locked with the mounting surface tilted. Since the mounting table can be fixed in a horizontal state and an inclined state, a carriage having a stable mounting table can be provided.
まず、本発明に係る台車の実施形態について説明する。
図１は、台車を示す図であり、図１（ａ）は、載置台を立ち上げた状態における台車の正面図、図１（ｂ）は、載置台を立ち上げた状態における台車の側面図である。
また、図２は、載置台を水平方向に寝かせた状態における台車の側面図である。
First, an embodiment of a cart according to the present invention will be described.
FIG. 1 is a view showing a carriage, FIG. 1 (a) is a front view of the carriage in a state where the mounting table is raised, and FIG. 1 (b) is a side view of the carriage in a state where the loading table is raised. It is.
FIG. 2 is a side view of the carriage in a state where the mounting table is laid in the horizontal direction.
図１、図２に示すように、台車１は、移動可能な台車部５０と、台車部５０に傾転可能に取り付けられた載置台１０と、載置台１０の載置面１０ｂが水平となる位置で載置台１０を固定可能な水平ロック部３０と、載置台を傾転可能とする台車上面前側に存する水平回転軸Ａと、載置台１０の載置面１０ｂが水平方向に対して所定角度で傾斜する位置で載置台１０を固定可能な傾斜ロック部４０と、より構成される。 As shown in FIGS. 1 and 2, the carriage 1 has a movable carriage unit 50, a placing table 10 attached to the carriage unit 50 so as to be tiltable, and a placing surface 10 b of the placing table 10. The horizontal lock portion 30 that can fix the mounting table 10 at a position, the horizontal rotation axis A that exists on the front side of the upper surface of the carriage that can tilt the mounting table, and the mounting surface 10b of the mounting table 10 are at a predetermined angle with respect to the horizontal direction. And an inclination lock portion 40 capable of fixing the mounting table 10 at an inclination position.
台車部５０は、断面Ｌ字状のフレーム材５１、５１’を略断面台形状の各辺にそれぞれ配置し、これらを互いに連結することによって構成されている。載置台１０は、台車部５０の前後脚部となるフレーム材５１、５１’の上端に傾転可能に載置されて取り付けられている。より詳細には、台車部５０の前フレーム材５１の上端に、外側に延びる連結片５５を取り付け、載置台１０に設けられた連結孔８０（図３（ａ）等参照）にボルト等のシャフトを通すことにより、当該シャフトを水平軸Ａとして載置台１０が台車部５０に対して傾転可能となっている。 The carriage unit 50 is configured by arranging frame members 51 and 51 ′ having an L-shaped cross section on each side of a substantially cross-sectional trapezoidal shape and connecting them together. The mounting table 10 is mounted so as to be tiltable on the upper ends of frame members 51 and 51 ′ which are front and rear legs of the carriage unit 50. More specifically, a connecting piece 55 extending outward is attached to the upper end of the front frame member 51 of the carriage unit 50, and a shaft such as a bolt is inserted into a connecting hole 80 (see FIG. 3A) provided in the mounting table 10. By passing, the mounting table 10 can be tilted with respect to the carriage unit 50 with the shaft as the horizontal axis A.
台車部５０を構成する縦方向に配置された４本のフレーム材５１、５１’のうち、載置台１０が取り付けられる前方上縁で上端が繋がっている２本のフレーム材５１は、その下端の位置が上端の位置よりも前側となるように所定の角度で傾斜され、これら２本のフレーム材５１が載置台１０の傾転面を形成している（図１（ｂ）等参照）。 Of the four frame members 51, 51 ′ arranged in the vertical direction constituting the carriage unit 50, the two frame members 51 whose upper ends are connected at the front upper edge to which the mounting table 10 is attached are The two frame members 51 form a tilting surface of the mounting table 10 so that the position is inclined at a predetermined angle so as to be in front of the upper end position (see FIG. 1B and the like).
これにより載置台１０は、台車部５０との連結部分の水平軸Ａを軸として、台車部５０の上面に重ねられて載置面１０ｂが水平となる状態（図２参照）と、縦方向のフレーム材５１，５１’のうち傾斜して設けられた前フレーム材５１に重ねられて載置面１０ｂが所定の角度で傾斜する状態（図１（ｂ）参照）との間で傾転する。 As a result, the mounting table 10 is placed on the upper surface of the carriage unit 50 with the horizontal axis A at the connecting portion with the carriage unit 50 as an axis, and the mounting surface 10b is horizontal (see FIG. 2). Of the frame members 51 and 51 ′, it is overlapped with the front frame member 51 provided to be inclined, and the mounting surface 10 b is inclined with respect to a state (see FIG. 1B) inclined at a predetermined angle.
台車部５０には、その上端部において、前フレーム材５１に対向する後側の２本の後フレーム材５１’の近傍に、一対の水平側フック部３１が設けられている。また、台車部５０を構成する４本の縦方向のフレーム材５１、５１’のうち、傾斜して設けられた２本の前フレーム材５１には、傾斜側フック部４１が設けられている。 The carriage portion 50 is provided with a pair of horizontal hook portions 31 in the vicinity of the two rear frame members 51 ′ on the rear side facing the front frame member 51 at the upper end thereof. Of the four longitudinal frame members 51, 51 ′ constituting the carriage unit 50, the inclined front hook member 41 is provided on the two front frame members 51 provided to be inclined.
台車部５０の下端側のコーナー部には、車輪５２がそれぞれ設けられている。これにより台車１が移動可能となっている。 Wheels 52 are respectively provided at the corners on the lower end side of the carriage unit 50. Thereby, the cart 1 can be moved.
載置台１０は、本体部１０ａと、積荷ストッパ部１０ｃとより構成されている。本体部１０ａは、複数の丸型鋼管や角型鋼管を格子状に連結して構成され、荷が載置される載置面１０ｂを有している。積荷ストッパ部１０ｃは、載置台１０が立ち上げられた状態（図１（ｂ）に示す状態）において、載置面１０ｂの下端部に立設されている。 The mounting table 10 includes a main body portion 10a and a load stopper portion 10c. The main body 10a is configured by connecting a plurality of round steel pipes or square steel pipes in a lattice shape, and has a placement surface 10b on which a load is placed. The loading stopper portion 10c is erected on the lower end portion of the placement surface 10b in the state where the placement table 10 is raised (the state shown in FIG. 1B).
ここで、載置台１０の詳細について説明する。図３は、載置台を示す図であり、図３（ａ）は載置台の背面側（載置面となる側に対して反対側）から見た背面図、図３（ｂ）は、載置台の側面図、図３（ｃ）は、図３（ａ）におけるＡ−Ａ部断面である。なお、載置台１０の説明において、積荷ストッパ部１０ｃが設けられた側を載置台１０における下側と呼び、その反対側を載置台１０における上側と呼ぶ。 Here, details of the mounting table 10 will be described. FIG. 3 is a diagram showing the mounting table, FIG. 3 (a) is a rear view of the mounting table viewed from the back side (opposite side to the mounting surface side), and FIG. 3 (b) is a mounting table. FIG. 3C is a side view of the mounting table, and is a cross-sectional view taken along the line AA in FIG. In the description of the mounting table 10, the side on which the load stopper portion 10 c is provided is referred to as the lower side of the mounting table 10, and the opposite side is referred to as the upper side of the mounting table 10.
図３（ａ）〜図３（ｃ）に示すように、載置台１０は、前後方向（長手方向）に配置された２つの角型鋼管１０ｄを有している。この２つの角型鋼管１０ｄには、それぞれの角型鋼管に３つずつガイド部７０が設けられている。このガイド部７０は角筒状に形成され、角筒状の軸心が角型鋼管１０ｄの延び方向と一致するように角型鋼管１０ｄに取り付けられている。 As shown in FIGS. 3A to 3C, the mounting table 10 includes two square steel pipes 10d arranged in the front-rear direction (longitudinal direction). The two square steel pipes 10d are provided with three guide portions 70 for each square steel pipe. The guide portion 70 is formed in a rectangular tube shape, and is attached to the rectangular steel tube 10d so that the axial center of the rectangular tube coincides with the extending direction of the rectangular steel tube 10d.
載置台１０の角型鋼管１０ｄには、前後方向の略中央部に、台車部５０の連結片５５と連結するためのシャフトが通される連結孔８０が設けられている（図３（ｃ）参照）。 The square steel pipe 10d of the mounting table 10 is provided with a connecting hole 80 through which a shaft for connecting with the connecting piece 55 of the carriage unit 50 is passed through at a substantially central portion in the front-rear direction (FIG. 3C). reference).
載置台１０は、連結孔８０よりも下側に配置され、横方向（短手方向）に延びる棒状の傾斜側被係合部４２と、連結孔８０よりも上側の位置に配置され、横方向に延びる水平側被係合部３２とを有している。傾斜側被係合部４２と水平側被係合部３２とは、その両端部近傍が細長い板状の連結部６０によって互いに連結されている。連結部６０は、水平側被係合部３２よりもさらに上側に延び、上側の端部が操作バー６１によって互いに連結されている。 The mounting table 10 is disposed below the connecting hole 80 and is disposed at a position on the upper side of the connecting hole 80 and a bar-shaped inclined side engaged portion 42 extending in the lateral direction (short direction). And a horizontal-side engaged portion 32 extending in the direction. The inclined-side engaged portion 42 and the horizontal-side engaged portion 32 are connected to each other by elongated plate-like connecting portions 60 at both ends. The connecting portion 60 extends further upward than the horizontal-side engaged portion 32, and the upper end portions are connected to each other by the operation bar 61.
連結部６０は、ガイド部７０内にスライド可能に収容されている。載置台１０は、上側の端部近傍に、横方向に延びる角型鋼管１０ｅを有し、操作バー６１とバネ６２によって連結されている。バネ６２は、操作バー６１を載置台１０の下側に移動させる方向に引き付けている。このバネ６２の力により、操作バー６１、連結部６０、水平側被係合部３２および傾斜側被係合部４２が、載置台１０の下側方向に付勢されている。 The connection part 60 is accommodated in the guide part 70 so that a slide is possible. The mounting table 10 has a square steel pipe 10 e extending in the lateral direction in the vicinity of the upper end, and is connected by an operation bar 61 and a spring 62. The spring 62 is attracted in a direction in which the operation bar 61 is moved to the lower side of the mounting table 10. Due to the force of the spring 62, the operation bar 61, the connecting portion 60, the horizontal engaged portion 32 and the inclined engaged portion 42 are urged downward in the mounting table 10.
図１（ｂ）に示すように、載置台１０を立ち上げ傾転させると、傾斜側被係合部４２が傾斜側フック部４１に係合する。このとき、バネ６２によって傾斜側被係合部４２が載置台１０の下側方向に向けて付勢されているため、傾斜側フック部４１の溝部４１ａ（図２参照）内に傾斜側被係合部４２が嵌入し、傾斜側フック部４１と傾斜側被係合部４２との係合が維持される。 As shown in FIG. 1B, when the mounting table 10 is raised and tilted, the inclined side engaged portion 42 engages with the inclined side hook portion 41. At this time, since the inclined side engaged portion 42 is urged toward the lower side of the mounting table 10 by the spring 62, the inclined side engaged portion is placed in the groove portion 41a (see FIG. 2) of the inclined side hook portion 41. The mating portion 42 is fitted, and the engagement between the inclined side hook portion 41 and the inclined side engaged portion 42 is maintained.
この傾斜側フック部４１の溝部４１ａの溝の方向は、載置台１０の傾転方向とは異なるように上側方向向きに構成されている。このため、傾斜側被係合部４２が溝部４１ａ内に嵌入している状態では、載置台１０が傾転しようとしても、傾斜側被係合部４２が溝部４１ａに係合することにより載置台１０の傾転が規制される。 The direction of the groove of the groove portion 41 a of the inclined side hook portion 41 is configured to be directed upward so as to be different from the inclination direction of the mounting table 10. For this reason, in a state where the inclined side engaged portion 42 is fitted in the groove portion 41a, even if the mounting table 10 tries to tilt, the inclined side engaged portion 42 engages with the groove portion 41a. Ten tilts are regulated.
操作バー６１を、バネ６２の付勢に抗して載置台１０の上側に引き上げると、傾斜側フック部４１と傾斜側被係合部４２との係合が解除される（傾斜側フック部４１の溝４１ａ部内から傾斜側被係合部４２が脱出する）と、載置台１０が水平方向に回転可能となる。即ち、傾斜側フック部４１と傾斜側被係合部４２とより、載置台１０を傾転状態で固定する傾斜ロック部４０が構成される。この操作バー６１をバネの付勢に抗して引き上げる際には、近接して上方に存する把手１０ｇを同時に握り行う。操作バー６１は固定されている把手１０ｇ方向にスライドしてロックの解除が行われる。 When the operation bar 61 is lifted to the upper side of the mounting table 10 against the bias of the spring 62, the engagement between the inclined side hook portion 41 and the inclined side engaged portion 42 is released (inclined side hook portion 41). When the inclined side engaged portion 42 escapes from the inside of the groove 41a portion), the mounting table 10 can rotate in the horizontal direction. In other words, the tilt side hook portion 41 and the tilt side engaged portion 42 constitute the tilt lock portion 40 that fixes the mounting table 10 in the tilted state. When pulling up the operation bar 61 against the bias of the spring, the handle 10g located close to the upper side is simultaneously gripped. The operation bar 61 is slid in the direction of the fixed handle 10g and unlocked.
また、図２に示すように、載置台１０の載置面１０ｂが水平となるように載置台１０を水平に回転すると、水平側被係合部３２が水平側フック部３１に係合する。このとき、バネ６２によって水平側被係合部３２が載置台１０の下側方向に向けて付勢されているため、水平側フック部３１の溝部３１ａ（図１（ｂ）参照）内に水平側被係合部３２が嵌入した状態となり、水平側被係合部３２と水平側フック部３１との係合が維持される。 As shown in FIG. 2, when the mounting table 10 is rotated horizontally so that the mounting surface 10 b of the mounting table 10 is horizontal, the horizontal-side engaged portion 32 engages with the horizontal-side hook portion 31. At this time, since the horizontal-side engaged portion 32 is urged toward the lower side of the mounting table 10 by the spring 62, the horizontal-side engaged portion 32 is horizontal in the groove portion 31a (see FIG. 1B) of the horizontal-side hook portion 31. The side engaged portion 32 is inserted, and the engagement between the horizontal engaged portion 32 and the horizontal hook portion 31 is maintained.
この水平側フック部３１の溝部３１ａの溝の方向は、載置台１０の傾転方向とは異なるように構成されている。このため、水平側被係合部３２が溝部３１ａ内に嵌入している状態では、載置台１０が傾転しようとしても、水平側被係合部３２が溝部３１ａの側壁に係合することにより載置台１０の傾転が規制される。 The direction of the groove 31 a of the horizontal hook portion 31 is configured to be different from the tilt direction of the mounting table 10. For this reason, in the state in which the horizontal side engaged portion 32 is fitted in the groove portion 31a, the horizontal side engaged portion 32 is engaged with the side wall of the groove portion 31a even if the mounting table 10 is inclined. Tilt of the mounting table 10 is restricted.
操作バー６１を載置台１０の上側に引き上げると、水平側フック部３１と水平側被係合部３２との係合が解除される（水平側フック部３１の溝部３１ａ内から水平側被係合部３２が脱出する）と、載置台１０が起き上がり可能となる。即ち、水平側フック部３１と水平側被係合部３２とにより、載置台１０を水平状態で固定する水平ロック部３０が構成される。 When the operation bar 61 is lifted to the upper side of the mounting table 10, the engagement between the horizontal hook portion 31 and the horizontal engaged portion 32 is released (from the inside of the groove portion 31a of the horizontal hook portion 31 to the horizontal engaged portion). When the part 32 escapes), the mounting table 10 can be raised. That is, the horizontal hook portion 31 and the horizontal engaged portion 32 constitute a horizontal lock portion 30 that fixes the mounting table 10 in a horizontal state.
台車１には、載置台１０が台車フレーム５０の上端に回動可能に取り付けられると共に、載置台１０の背面に係脱可能な安全ストッパ９０が設けられるのが望ましい。安全ストッパ９０は、載置台１０が傾斜ロック部４０によって固定された起き上がり状態で、載置台１０と台車部５０とを繋ぎ、載置台１０の傾転を保持する（図１（ｂ）参照）。載置台１０を水平状態にする場合には、安全ストッパ９０と載置台１０との係合を解除する。 The carriage 1 is preferably provided with a mounting table 10 rotatably attached to the upper end of the carriage frame 50 and a detachable safety stopper 90 on the back of the mounting table 10. The safety stopper 90 connects the mounting table 10 and the carriage unit 50 in the raised state where the mounting table 10 is fixed by the tilt lock unit 40, and holds the tilt of the mounting table 10 (see FIG. 1B). When placing the mounting table 10 in a horizontal state, the engagement between the safety stopper 90 and the mounting table 10 is released.
載置台１０の上端部には、載置台１０の背面側に突出するように把手１０ｇが斜めに取り付けられている。また、載置台１０の上端部近傍の両サイドには、背面側に突出するハンドル１０ｈが取り付けられている。また、載置台１０は、横方向に巻き回されたベルト１５（図１（ａ）参照）を備えている。ベルト１５により、荷を載置台１０に固定することができる。 A handle 10 g is obliquely attached to the upper end portion of the mounting table 10 so as to protrude toward the back side of the mounting table 10. Further, on both sides in the vicinity of the upper end portion of the mounting table 10, handles 10 h that protrude to the back side are attached. The mounting table 10 includes a belt 15 (see FIG. 1A) wound in the lateral direction. The load can be fixed to the mounting table 10 by the belt 15.
ここで、載置台１０を傾転させて起き上げた場合の所定の角度は、台車の前フレーム材５１の傾斜角度に相応し、載置面１０ｂ上に荷が載置されて積荷ストッパ部１０ｃによって荷の滑り落ちが防止された傾斜状態で、台車１が引っくり返ることがない角度となっている。 Here, the predetermined angle when the mounting table 10 is tilted and lifted up corresponds to the inclination angle of the front frame member 51 of the carriage, and the load is placed on the mounting surface 10b and the load stopper portion 10c. Thus, the cart 1 has an angle that prevents the truck 1 from turning over in an inclined state in which the sliding of the load is prevented.
また、載置台１０は、連結孔８０に通されたシャフトを水平回転軸Ａとして傾転するが、この回転軸の位置は、載置台１０に所定の荷が載置された状態における載置台１０の重心位置と略一致するように設けられている。なお、載置台１０に載置される所定の荷とは、主に載置する荷が決まっている場合には、その荷が該当し、主に載置する荷が決まっていない場合には、例えば、載置が想定される荷の平均的な大きさや重さ等に基づいて得られる荷を用いることができる。 Further, the mounting table 10 tilts with the shaft passed through the connection hole 80 as a horizontal rotation axis A. The position of this rotation axis is the mounting table 10 in a state where a predetermined load is mounted on the mounting table 10. It is provided so as to substantially coincide with the center of gravity position. In addition, the predetermined load placed on the placing table 10 corresponds to the load when the load to be mainly placed is decided, and when the load to be placed is not decided mainly, For example, it is possible to use a load obtained based on the average size or weight of the load expected to be placed.
本実施形態は以上のように構成され、水平ロック部３０によって、載置面１０ｂが水平となる位置で載置台１０を固定することができ、そして操作バー６１を解放しバネを常態に戻すことで、傾斜側フック部４１と傾斜側被係合部４２とが係合し、傾斜ロック部４０により載置面１０ｂが傾斜した状態で載置台１０を固定することができる。このように、載置台１０を水平状態と傾斜状態とに固定することができるため、水平ロック部３０または傾斜ロック部４０によって固定された安定した載置台１０を有する台車１となる。 The present embodiment is configured as described above, and the mounting table 10 can be fixed at a position where the mounting surface 10b is horizontal by the horizontal lock unit 30, and the operation bar 61 is released to return the spring to the normal state. Thus, the mounting table 10 can be fixed in a state in which the tilt side hook portion 41 and the tilt side engaged portion 42 are engaged and the mounting surface 10 b is tilted by the tilt lock portion 40. Thus, since the mounting table 10 can be fixed in a horizontal state and an inclined state, the carriage 1 having the stable mounting table 10 fixed by the horizontal lock unit 30 or the inclined lock unit 40 is obtained.
また、水平ロック部３０の解除と、傾斜ロック部４０の解除とを操作バー６１により連結部６０をスライドさせるだけで解除状態とすることができ、解除操作が容易となる。そして操作バー６１とともに把手１０ｇを一緒に握ることでロック解除が簡単に行える。 Further, the release of the horizontal lock portion 30 and the release of the tilt lock portion 40 can be brought into a release state by simply sliding the connecting portion 60 with the operation bar 61, and the release operation becomes easy. The lock 10 can be easily released by grasping the handle 10 g together with the operation bar 61.
操作バー６１は常時ロックあるいはロック解除の作用を行うが、搬送時にはロック作用に関与しないハンドル１０ｈを手で持って台車を運転するのでロックが不意に解除されるおそれがない。 The operation bar 61 always locks or unlocks, but the carriage is operated by holding the handle 10h that is not involved in the locking action during transportation, so that there is no possibility that the lock is unexpectedly released.
また、荷が載置された状態における載置台１０の重心位置と、載置台１０の回転軸Ａとが一致しているため、荷が載置された載置台１０の傾転が容易となり、載置台１０の傾転を人力等によって容易に行うことができる。 In addition, since the position of the center of gravity of the mounting table 10 in the state where the load is placed and the rotation axis A of the mounting table 10 coincide with each other, the mounting table 10 on which the load is placed is easily tilted. The table 10 can be easily tilted by human power or the like.
また、安全ストッパ９０によって載置台１０が傾斜した状態で固定されるため、傾斜ロック部４０と安全ストッパ９０とによって載置台１０をより確実に保持することができる。
また、載置台１０が傾斜した状態であっても、載置台１０に載置された荷が、積荷ストッパ部１０ｃによって載置面１０から滑り落ちることが防止される。
Further, since the mounting table 10 is fixed in an inclined state by the safety stopper 90, the mounting table 10 can be more reliably held by the tilt lock portion 40 and the safety stopper 90.
Further, even when the mounting table 10 is inclined, the load placed on the mounting table 10 is prevented from sliding off the mounting surface 10 by the load stopper portion 10c.
なお、上述した水平とは、略水平を指し、載置面１０ｂ上に載置された荷が滑り落ちない程度の角度を含むものとする。 In addition, the horizontal mentioned above refers to substantially horizontal and includes an angle that prevents the load placed on the placement surface 10b from slipping down.
１…台車、１０…載置台、１０ｂ…載置面、１０ｃ…積荷ストッパ部、３０…水平ロック部、３１…水平側フック部、３２…水平側被係合部、４０…傾斜ロック部、４１…傾斜側フック部、４２…傾斜側被係合部、５０…台車部、６０…連結部、９０…安全ストッパ。 DESCRIPTION OF SYMBOLS 1 ... Carriage, 10 ... Mounting base, 10b ... Mounting surface, 10c ... Loading stopper part, 30 ... Horizontal lock part, 31 ... Horizontal side hook part, 32 ... Horizontal side engaged part, 40 ... Inclination lock part, 41 ... Inclined side hook part, 42 ... Inclined side engaged part, 50 ... Dolly part, 60 ... Connecting part, 90 ... Safety stopper.
Claims (2)
前記台車部に傾転可能に取り付けられ、荷を載置する載置面（１０ｂ）を有する載置台（１０）と、
前記載置台の傾転を、前記載置台の前記載置面が水平となる位置で固定可能な水平ロック部（３０）と、
前記載置台の傾転を、前記載置台の前記載置面が水平方向に対して所定角度傾斜する位置で固定可能な傾斜ロック部（４０）と、
を備える台車（１）において、
前記水平ロック部（３０）は、前記台車部（５０）に固定された水平側フック部（３１）と、前記載置台において前記水平側フック部に係脱可能に設けられた水平側被係合部（３２）とより構成されており、
前記傾斜ロック部（４０）は、前記台車部（５０）に固定された傾斜側フック部（４１）と、前記載置台において前記傾斜側フック部に係脱可能に設けられた傾斜側被係合部（４２）とより構成されており、
前記載置台（１０）は、載置台の前後方向に配置されたガイド部（７０）にスライド可能に取り付けられると共に、前記水平側被係合部（３２）と前記傾斜側被係合部（４２）とを連結する連結部（６０）をさらに備え、
前記連結部（６０）は、前記水平側被係合部（３２）よりもさらに上側に延び、上側の端部が、操作バー（６１）により互いに連結されており、
前記操作バー（６１）は、バネ（６２）により、載置台（１０）の下側方向に引き付けられるように載置台（１０）に固定されており、このバネ（６２）の力により、操作バー（６１）、連結部（６０）、水平側被係合部（３２）および傾斜側被係合部（４２）が、載置台（１０）の下側方向に付勢されており、
前記操作バー（６１）を、バネ（６２）の付勢に抗して載置台（１０）の上側に引き上げると、前記連結部（６０）がスライドして、前記水平側被係合部（３２）が、前記水平側フック部（３１）との係合を解除する方向に移動し、および前記傾斜側被係合部（４２）が、前記傾斜側フック部（４１）との係合を解除する方向に移動して係合が解除されて、前記載置台１０が水平方向に回転可能となり、載置台（１０）を水平に回転すると、水平側被係合部（３２）が水平側フック部３１に係合し、バネ（６２）によって、水平側被係合部（３２）が載置台（１０）の下側方向に向けて付勢され、水平側被係合部（３２）と水平側フック部（３１）との係合が維持されることを特徴とする台車。 A movable carriage section (50);
A mounting table (10) which is attached to the cart part so as to be tiltable and has a mounting surface (10b) for mounting a load;
A horizontal lock portion (30) capable of fixing the tilt of the mounting table at a position where the mounting surface of the mounting table is horizontal;
A tilt lock portion (40) capable of fixing the tilt of the mounting table at a position where the mounting surface of the mounting table is inclined at a predetermined angle with respect to the horizontal direction;
In a cart (1) comprising
The horizontal lock portion (30) includes a horizontal hook portion (31) fixed to the carriage portion (50), and a horizontal engaged portion that is detachably provided on the horizontal hook portion in the mounting table. Part (32) and
The inclination lock part (40) includes an inclination side hook part (41) fixed to the carriage part (50), and an inclination side engaged part provided to be able to be engaged with and disengaged from the inclination side hook part in the mounting table. Part (42) and
The mounting table (10) is slidably attached to a guide portion (70) disposed in the front-rear direction of the mounting table, and the horizontal-side engaged portion (32) and the inclined-side engaged portion (42). And a connecting portion (60) for connecting
The connecting portion (60) extends further upward than the horizontal engaged portion (32), and the upper end portions are connected to each other by an operation bar (61).
The operation bar (61) is fixed to the mounting table (10) by a spring (62) so as to be attracted to the lower side of the mounting table (10), and the operation bar (61) is operated by the force of the spring (62). (61), the connecting portion (60), the horizontal side engaged portion (32), and the inclined side engaged portion (42) are urged downward in the mounting table (10),
When the operation bar (61) is pulled up to the upper side of the mounting table (10) against the bias of the spring (62), the connecting portion (60) slides and the horizontal side engaged portion (32). ) Moves in a direction to release the engagement with the horizontal hook portion (31), and the inclined side engaged portion (42) releases the engagement with the inclined hook portion (41). When the mounting table 10 can be rotated in the horizontal direction and the mounting table (10) is rotated horizontally, the horizontal engaged portion (32) becomes the horizontal hook portion. The horizontal engaged portion (32) is biased toward the lower side of the mounting table (10) by the spring (62), and the horizontal engaged portion (32) and the horizontal side A cart characterized in that the engagement with the hook portion (31) is maintained.
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| JPS62185678U (en) * | 1986-05-19 | 1987-11-26 | ||
| JPH0644901Y2 (en) * | 1987-04-21 | 1994-11-16 | 株式会社アマダメトレツクス | Plate material conveying device |
| JPH01204862A (en) * | 1988-02-10 | 1989-08-17 | Shikoku Seisakusho:Kk | Small electrically-driven transport vehicle |
| JPH0260672U (en) * | 1988-10-28 | 1990-05-07 | ||
| JP2758523B2 (en) * | 1991-11-11 | 1998-05-28 | 信越半導体株式会社 | Silicon ingot transport trolley |
| JP2001294158A (en) * | 2000-04-14 | 2001-10-23 | Jitsuo Uematsu | Tool for storing and carrying tent |
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