JP5003897B2 - Buried rail device - Google Patents

Buried rail device Download PDF

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JP5003897B2
JP5003897B2 JP2007331820A JP2007331820A JP5003897B2 JP 5003897 B2 JP5003897 B2 JP 5003897B2 JP 2007331820 A JP2007331820 A JP 2007331820A JP 2007331820 A JP2007331820 A JP 2007331820A JP 5003897 B2 JP5003897 B2 JP 5003897B2
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rail
mounting groove
bolt
embedded
length direction
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JP2009155810A (en
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勝也 平塚
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Daifuku Co Ltd
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Daifuku Co Ltd
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Description

本発明は、床面上で横動可能に設置される移動ラックの案内用レールとして利用できる埋設レール装置に関するものである。   The present invention relates to an embedded rail device that can be used as a guide rail for a movable rack that is installed to be laterally movable on a floor surface.

移動ラックの案内用レールとして利用される埋設レール装置は、レールの長さ方向適当間隔おきの位置に取り付けられた支持部材を既設コンクリート層の上にアンカーボルトにより固定し、このレールの表面と面一になるように前記既設コンクリート層の上に床面形成コンクリート層を打設して構成される。而して従来のこの種の埋設レール装置は、特許文献1に記載のように、レールの両側辺に長さ方向に連続する張出フランジ部を設けておき、前記支持部材とこの支持部材の上にボルトナットで取り付けられる左右一対の押さえ部材との間で、前記レールの左右両側の張出フランジ部を挟持させることにより、前記支持部材をレールに取り付けるか又は、特許文献2に記載のように、レールの左右両側面を長さ方向全長にわたって山形状に窪ませておき、前記支持部材の上にアンカーボルトとナットで取り付けられる左右一対の挟持部材間で、前記レールの左右両側面を挟持させることにより、前記支持部材をレールに取り付けて構成されていた。
特開平4−258401号公報 特開2005−105560号公報
An embedded rail device used as a guide rail for a moving rack is a method in which support members attached at appropriate intervals in the length direction of the rail are fixed on an existing concrete layer by anchor bolts, and the surface and surface of the rail are fixed. A floor-forming concrete layer is placed on the existing concrete layer so as to be one. Thus, in this conventional buried rail device, as described in Patent Document 1, overhanging flange portions that are continuous in the length direction are provided on both sides of the rail, and the support member and the support member The supporting member is attached to the rail by sandwiching the protruding flange portions on both the left and right sides of the rail between a pair of left and right pressing members attached to the top with bolts and nuts, or as described in Patent Document 2 In addition, the left and right side surfaces of the rail are recessed in a mountain shape over the entire length, and the left and right side surfaces of the rail are clamped between a pair of left and right clamping members that are attached to the support member with anchor bolts and nuts. By doing so, the support member is attached to a rail.
JP-A-4-258401 JP 2005-105560 A

特許文献1に記載の、レールの左右両側の張出フランジ部を形成する構成では、レールに必要な表面の車輪支持面の幅に対して、張出フランジ部位置でのレールの最大幅が大幅に大きくなることと、左右一対の押さえ部材及びこれら両押さえ部材を取り付けるボルトナットが必要であることにより、レールそのものの重量アップを招くだけでなく、全体の部品点数が多くなり、レール敷設コストが高くなる欠点がある。又、特許文献2に記載の、レールを左右両側から挟み付ける構成では、レールの重量アップは免れるが、左右一対の挟持部材が必要であることから、レール敷設コストが高くなる点は免れない。   In the configuration in which the protruding flange portions on the left and right sides of the rail described in Patent Document 1 are formed, the maximum width of the rail at the position of the protruding flange portion is significantly larger than the width of the wheel support surface on the surface necessary for the rail. And a pair of left and right holding members and bolts and nuts for mounting these holding members are required, which not only increases the weight of the rail itself, but also increases the total number of parts and reduces the cost of rail installation. There is a drawback of becoming higher. Moreover, in the structure which clamps a rail from patent document 2 from both right and left sides, although the weight increase of a rail is avoided, since a pair of right and left clamping members are required, the point which raises rail installation cost is unavoidable.

本発明は上記のような従来の問題点を解消し得る埋設レール装置を提供することを目的とするものであって、請求項1に記載の埋設レール装置は、後述する実施形態の参照符号を付して示すと、レール表面8が床面3と面一になるように床面下にレール4(4A〜4C)を埋設した埋設レール装置であって、レール4(4A〜4C)の下側面7にレール長さ方向に連続する断面形状中広がりの取付け用凹溝11を設け、この取付け用凹溝11の内側広幅部13にボルト15の頭部15aをレール長さ方向移動自在に嵌合させ、前記取付け用凹溝11の狭幅部12から下向きに突出する前記ボルト15の螺軸部15bと当該螺軸部15bに螺嵌するナット16とによりレール4(4A〜4C)の下側に支持部材14を取り付け、この支持部材14とアンカーボルト17により当該レール4(4A〜4C)を床面下の既設コンクリート層19に敷設して成る埋設レール装置において、前記レール4(4A〜4C)の下側面7は、当該レールの幅方向の横断面形状において下に凸の円弧面に形成され、この円弧形下側面7の最低位置に前記取付け用凹溝11が設けられた構成となっている。 An object of the present invention is to provide an embedded rail device that can solve the conventional problems as described above, and the embedded rail device according to claim 1 uses the reference numerals of the embodiments described later. If it attaches and shows, it is an embedded rail apparatus which embedded the rail 4 (4A-4C) under the floor surface so that the rail surface 8 may become the floor surface 3, Comprising: Below rail 4 (4A-4C) The side surface 7 is provided with a mounting groove 11 having a medium cross-sectional shape that is continuous in the rail length direction, and a head 15a of a bolt 15 is fitted to the inner wide portion 13 of the mounting groove 11 so as to be movable in the rail length direction. And the bottom of the rail 4 (4A to 4C) by the screw shaft portion 15b of the bolt 15 projecting downward from the narrow width portion 12 of the mounting groove 11 and the nut 16 screwed into the screw shaft portion 15b. The support member 14 is attached to the side, and this support member 1 And the embedded rail arrangement formed by laying the rails 4 by the anchor bolts 17 (4A-4C) to existing concrete layer 19 under the floor, the rail 4 lower surface 7 of the (4A-4C) is, in the rail width In the cross-sectional shape in the direction, the arcuate surface is convex downward, and the mounting concave groove 11 is provided at the lowest position of the arc-shaped lower side surface 7 .

又、請求項2に記載の埋設レール装置では、レール表面8が床面3と面一になるように床面下にレール4(4A〜4C)を埋設した埋設レール装置であって、レール4(4A〜4C)の下側面7にレール長さ方向に連続する断面形状中広がりの取付け用凹溝11を設け、この取付け用凹溝11の内側広幅部13にボルト15の頭部15aをレール長さ方向移動自在に嵌合させ、前記取付け用凹溝11の狭幅部12から下向きに突出する前記ボルト15の螺軸部15bと当該螺軸部15bに螺嵌するナット16とによりレール4(4A〜4C)の下側に支持部材14を取り付け、この支持部材14とアンカーボルト17により当該レール4(4A〜4C)を床面下の既設コンクリート層19に敷設して成る埋設レール装置において、前記レール4(4A〜4C)の下側面21は、当該レールレール4(4A〜4C)の幅方向の横断面形状において下に凸の倒立山形に形成され、この倒立山形下側面21の最低平坦面に前記取付け用凹溝11が設けられた構成となっている。 The buried rail device according to claim 2 is a buried rail device in which the rail 4 (4A to 4C) is buried below the floor surface so that the rail surface 8 is flush with the floor surface 3. (4A-4C) On the lower side surface 7 of the rail, the mounting groove 11 having a continuously expanding cross-sectional shape extending in the rail length direction is provided, and the head 15a of the bolt 15 is railed to the inner wide portion 13 of the mounting groove 11. The rail 4 is fitted by a screw shaft portion 15b of the bolt 15 and a nut 16 screwed to the screw shaft portion 15b. The screw shaft 15b projects downward from the narrow width portion 12 of the mounting groove 11. In a buried rail device in which a support member 14 is attached to the lower side of (4A to 4C), and the rail 4 (4A to 4C) is laid on an existing concrete layer 19 below the floor surface by the support member 14 and an anchor bolt 17. The rail The lower side surface (4A to 4C) is formed in an inverted inverted mountain shape in the cross-sectional shape in the width direction of the rail rail 4 (4A to 4C). The mounting groove 11 is provided.

上記の本発明を実施する場合、具体的には請求項3に記載のように、前記ボルト15の頭部15aは、前記取付け用凹溝11の内側広幅部13にレール長さ方向移動のみ可能で自転不能に嵌合する四角柱状又は六角柱状とすることができるし、請求項4に記載のように、前記ボルト15の頭部15cは、前記取付け用凹溝11の長さ方向と平行な向きでは当該取付け用凹溝11の狭幅部12から内側幅広部13に挿入可能であって、回転により長さ方向の両端22a,22bが前記取付け用凹溝11の内側幅広部13の両側面13a,13bに当接して回り止めされる横長T形に構成することができる。 When carrying out the present invention, specifically, as described in claim 3 , the head portion 15 a of the bolt 15 can only move in the rail length direction on the inner wide portion 13 of the mounting groove 11. The head 15c of the bolt 15 is parallel to the length direction of the mounting groove 11, as described in claim 4. It can be inserted into the wide inner portion 13 from the narrow portion 12 of the mounting groove 11 in the direction, and both ends 22a and 22b in the length direction by rotation are opposite side surfaces of the inner wide portion 13 of the mounting groove 11. It can be configured in a horizontally long T shape that abuts against 13a and 13b and is prevented from rotating.

上記請求項1に記載の本発明に係る埋設レール装置によれば、レールの下側面に断面形状中広がりの取付け用凹溝を設けるものであるから、レールの幅を必要最小限に抑えることができるし、当該取付け用凹溝が設けられる程度の厚さが必要であるが、当該取付け用凹溝の形成により材料削減と軽量化を図れるので、レール全体として重量軽減によるコストダウンを図ることができる。しかも支持部材は、レールの長さ方向の任意の位置にボルトナットのみで簡単容易に取り付けることができ、従来のように左右一対の押さえ部材や挟持部材を必要とする構成と比較して、部品点数を大幅に減らしてレール敷設コストを下げることができる。   According to the buried rail device according to the first aspect of the present invention, since the mounting concave groove having a medium cross-sectional shape is provided on the lower side surface of the rail, the width of the rail can be minimized. Although the thickness of the mounting groove is required, the material can be reduced and the weight can be reduced by forming the mounting groove. it can. In addition, the support member can be easily and easily attached to any position in the length direction of the rail using only bolts and nuts. Compared to the conventional configuration that requires a pair of left and right pressing members and clamping members, the support member The number of points can be greatly reduced to lower the rail laying cost.

更に、請求項1や2に記載の本発明の構成によれば、レール巾方向の縦断面形状における下側面が下に凸の円弧形又は倒立山形であるため、レール巾が同一であるとすると、当該レールを支持するコンクリート層又は充填樹脂層に対する設置面積が広くなり、単位面積当りの面圧が小さくなる。しかも、このレールを埋めるように既設コンクリート層の上に打設されるコンクリートや合成樹脂の内部の気泡がレールの前記円弧形又は倒立山形の下側面に沿って左右両側上方に誘導され、レール下側面に接して滞留することが極めて少なくなるので、レール下側面の面圧が小さくなることと相まって、レールの不規則な沈下を招く恐れが殆ど解消する。 Furthermore, according to the structure of this invention of Claim 1 or 2, since the lower side surface in the longitudinal cross-sectional shape of a rail width direction is an arc shape or inverted mountain shape which protrudes downward, rail width is the same. Then, the installation area with respect to the concrete layer or filling resin layer which supports the said rail becomes large, and the surface pressure per unit area becomes small. In addition, air bubbles inside concrete or synthetic resin placed on the existing concrete layer so as to fill the rail are guided upward along the lower side of the arc or inverted mountain shape of the rail to the left and right sides. Since there is very little staying in contact with the lower side surface, coupled with a decrease in surface pressure on the lower side surface of the rail, there is almost no possibility of causing irregular settlement of the rail.

又、請求項3に記載の構成によれば、四角柱状や六角柱状の頭部を持つ市販の汎用ボルトをそのまま利用してレールの長さ方向任意の位置に支持部材を取り付けることができ、しかも支持部材の取り付けに際してボルトがレールに対して自転しないので、ナットによる支持部材の締結操作が非常に容易に行える。更に、請求項4に記載の構成によれば、長尺のレールの端部から取付け用凹溝内に必要な本数のボルトを組み付けておく必要がなく、支持部材の取付け位置でボルトを取付け用凹溝に組み付けることができ、しかもボルトがレールに対して自転しないので、支持部材の取付け作業を非常に簡単容易且つ能率的に行える。 Moreover, according to the structure of Claim 3 , a support member can be attached to any position in the length direction of the rail by using a commercially available general-purpose bolt having a square columnar or hexagonal column head as it is. Since the bolt does not rotate with respect to the rail when the support member is attached, the fastening operation of the support member with the nut can be performed very easily. Furthermore, according to the configuration of the fourth aspect , it is not necessary to assemble a necessary number of bolts in the mounting groove from the end of the long rail, and the bolts can be mounted at the mounting position of the support member. Since the bolt can be assembled in the concave groove and the bolt does not rotate with respect to the rail, the mounting operation of the support member can be performed very easily, easily and efficiently.

以下に本発明の具体的実施例を添付図に基づいて説明すると、図1Aにおいて、1A,1Bは固定ラック、2A,2Bは両固定ラック1A,1B間に設置される移動ラックである。各移動ラック2A,2Bは、レール表面が床面3と同一レベルになるように両固定ラック1A,1B間の床に埋設された複数本のレール4と、これら各レール4上を転動するように移動ラック2A,2Bの底部に軸支された車輪5とによって、両固定ラック1A,1B間で横動可能に支持されている。尚、従来周知の移動ラック装置であるから詳細図は省略しているが、レール4は、移動ラック2A,2Bの移動方向に対し直交するラック間通路6の奥行き方向に適当間隔おきに複数本が並列配置され、各移動ラック2A,2Bには、各レール4に対し複数個の車輪5が設けられ、各移動ラック2A,2Bが備える車輪5の内、少なくとも1つの車輪がモーター駆動される。更に、少なくとも1つのレール4上を転動する複数個の車輪5には鍔付き車輪が採用され、この複数個の鍔付き車輪とこれに対応するレール4とが係合することにより、ラック間通路6の奥行き方向に関する移動ラック2A,2Bの位置が規制される。   A specific embodiment of the present invention will be described below with reference to the accompanying drawings. In FIG. 1A, 1A and 1B are fixed racks, and 2A and 2B are mobile racks installed between the fixed racks 1A and 1B. Each of the movable racks 2A and 2B rolls on the rails 4 and a plurality of rails 4 embedded in the floor between the fixed racks 1A and 1B so that the rail surface is at the same level as the floor surface 3. Thus, the fixed racks 1A and 1B are supported so as to be laterally movable by the wheels 5 pivotally supported on the bottoms of the movable racks 2A and 2B. Although a detailed drawing is omitted because it is a conventionally known mobile rack device, a plurality of rails 4 are provided at appropriate intervals in the depth direction of the inter-rack passage 6 perpendicular to the moving direction of the moving racks 2A and 2B. Are arranged in parallel, each moving rack 2A, 2B is provided with a plurality of wheels 5 for each rail 4, and at least one of the wheels 5 provided in each moving rack 2A, 2B is motor-driven. . Further, the plurality of wheels 5 that roll on the at least one rail 4 are provided with hooked wheels, and the plurality of hooked wheels and the corresponding rails 4 are engaged with each other, so that The positions of the movable racks 2A and 2B in the depth direction of the passage 6 are restricted.

図1B及び図2は、車輪5の内の鍔付き車輪5Aと、レール4の内の鍔付き車輪5Aを支持案内する溝付きレール4Aとを示している。溝付きレール4Aは、レール巾方向の縦断面形状における下側面7が下に凸の円弧形であると共に平坦なレール表面8を有する、レール巾方向の縦断面形状が切円形のレールであって、平坦なレール表面8の巾方向の中央位置に鍔付き車輪5Aの中央鍔部9が遊嵌する溝10が形成されている。   FIG. 1B and FIG. 2 show a flanged wheel 5 </ b> A in the wheel 5 and a grooved rail 4 </ b> A that supports and guides the flanged wheel 5 </ b> A in the rail 4. The grooved rail 4A is a rail whose longitudinal cross-sectional shape in the rail width direction has a rounded arc shape with the lower side surface 7 in the longitudinal cross-sectional shape in the rail width direction having a downwardly convex arc shape and a flat rail surface 8. Thus, a groove 10 is formed in the central position of the flat rail surface 8 in the width direction so that the central flange 9 of the flanged wheel 5A is loosely fitted.

上記溝付きレール4Aの敷設作業について説明すると、溝付きレール4Aには、その円弧形下側面7の最低位置(幅方向の中央下側面)にレール長さ方向の全長にわたって連続する取付け用凹溝11が設けられている。この取付け用凹溝11は、円弧形下側面7に開口する狭幅部12と、この狭幅部12の奥側に連通する矩形断面の広幅部13とから成る、断面形状中広がりの所謂蟻溝形のものである。   The laying operation of the grooved rail 4A will be described. The grooved rail 4A has a mounting recess which is continuous over the entire length in the rail length direction at the lowest position of the arc-shaped lower side surface 7 (the central lower side surface in the width direction). A groove 11 is provided. The mounting concave groove 11 is a so-called widened cross-sectional shape, which includes a narrow width portion 12 opened in the arc-shaped lower side surface 7 and a wide width portion 13 having a rectangular cross section communicating with the back side of the narrow width portion 12. It has a ant groove shape.

上記溝付きレール4Aには、長さ方向の両端部や中間適当箇所にレール支持部材14が取り付けられる。各レール支持部材14は、溝付きレール4Aの下側を横断する帯状板材から成るもので、中央位置にはボルト15が上から下向きに挿通され、レール支持部材14の下側で当該ボルト15にナット16が螺合されている。前記ボルト15の六角柱状の頭部15aは、その螺軸部15bが取付け用凹溝11の狭幅部12から下向きに突出する状態で溝付きレール4Aの一端から前記取付け用凹溝11の広幅部13内に嵌合し、当該取付け用凹溝11に沿って自由に移動させることができる。   Rail support members 14 are attached to the grooved rail 4A at both ends in the length direction and at appropriate intermediate positions. Each rail support member 14 is made of a belt-like plate material that crosses the lower side of the grooved rail 4A, and a bolt 15 is inserted downward from above at the center position. A nut 16 is screwed. The hexagonal column-shaped head portion 15a of the bolt 15 has a wide width of the mounting groove 11 from one end of the grooved rail 4A in a state where the screw shaft portion 15b projects downward from the narrow width portion 12 of the mounting groove 11. It fits in the part 13 and can be freely moved along the concave groove 11 for attachment.

即ち、ボルト15とナット16とを介して溝付きレール4Aの下側に取り付けた各レール支持部材14は、ナット16を弛めた状態で溝付きレール4Aの長さ方向任意の位置まで移動させることができる。而して、前記ボルト15の六角柱状の頭部15aは、図5Aに示すように、その平行2側面が取付け用凹溝11の広幅部13の両側面13a,13bに隣接して、取付け用凹溝11に沿って移動することはできるが回転できない状態に取付け用凹溝11内に保持されているので、各レール支持部材14を溝付きレール4Aの長さ方向任意の位置に移動させたならば、ナット16を締付方向に回転操作して、溝付きレール4A(取付け用凹溝11の狭幅部12の両肩部)とレール支持部材14とをボルト15の頭部15aとナット16との間で挟み付け、各レール支持部材14を溝付きレール4Aに固定することができる。   That is, each rail support member 14 attached to the lower side of the grooved rail 4A via the bolt 15 and the nut 16 is moved to an arbitrary position in the lengthwise direction of the grooved rail 4A with the nut 16 loosened. be able to. Thus, as shown in FIG. 5A, the hexagonal column-shaped head portion 15a of the bolt 15 has two parallel side surfaces adjacent to both side surfaces 13a and 13b of the wide width portion 13 of the mounting groove 11. Each rail support member 14 can be moved to any position in the length direction of the grooved rail 4A because it can be moved along the groove 11 but is held in the mounting groove 11 so that it cannot rotate. Then, the nut 16 is rotated in the tightening direction, and the grooved rail 4A (both shoulders of the narrow width portion 12 of the mounting groove 11) and the rail support member 14 are connected to the head 15a of the bolt 15 and the nut. 16, each rail support member 14 can be fixed to the grooved rail 4A.

上記のように溝付きレール4Aのレール長さ方向所定位置に各レール支持部材14を固定したならば、各レール支持部材14の左右両端部を、それぞれアンカーボルト17と締結用ナット18を利用して既設コンクリート層(一次コンクリート層)19の上方所定高さに固定して、レール表面8が水平になるように溝付きレール4Aを支持させる。この状態で既設コンクリート層14の上に床面形成コンクリート層(二次コンクリート層)20を、当該床面形成コンクリート層20で形成される床面3とレール表面8とが面一になるように打設する。   When the rail support members 14 are fixed at predetermined positions in the rail length direction of the grooved rail 4A as described above, the anchor bolts 17 and the fastening nuts 18 are used for the left and right ends of the rail support members 14, respectively. Then, it is fixed to a predetermined height above the existing concrete layer (primary concrete layer) 19, and the grooved rail 4A is supported so that the rail surface 8 is horizontal. In this state, the floor surface forming concrete layer (secondary concrete layer) 20 is placed on the existing concrete layer 14 so that the floor surface 3 formed by the floor surface forming concrete layer 20 and the rail surface 8 are flush with each other. To cast.

上記のようにして構成された埋設レール装置における溝付きレール4Aは、図2Bで示すように、床面形成コンクリート層20で支持される下側面7が下に凸の円弧形であるため、鍔付き車輪5Aから受ける移動ラック2A,2Bの荷重が分散して床面形成コンクリート層20に伝わり、床面形成コンクリート層20と下側面7との間の単位面積当りの面圧が小さくなる。又、打設された床面形成コンクリート層20中の気泡は円弧形下側面7に沿って左右両側上方に誘導され易いので、円弧形下側面7の下に気泡が滞留することは殆どなくなる。   As shown in FIG. 2B, the grooved rail 4A in the buried rail device configured as described above has an arc shape in which the lower side surface 7 supported by the floor surface forming concrete layer 20 is convex downward. The loads of the movable racks 2A and 2B received from the hooked wheel 5A are dispersed and transmitted to the floor surface forming concrete layer 20, and the surface pressure per unit area between the floor surface forming concrete layer 20 and the lower side surface 7 is reduced. In addition, since the bubbles in the floor-forming concrete layer 20 that has been cast are easily guided to the upper left and right sides along the arc-shaped lower side surface 7, it is almost impossible for the bubbles to stay below the arc-shaped lower side surface 7. Disappear.

上記実施形態では、1本のボルト15でレール支持部材14を溝付きレール4Aの下側に取り付けるようにしたので、当該レール支持部材14はボルト15を中心に回転することができ、従って、ナット16でレール支持部材14を溝付きレール4Aに締結するとき、当該レール支持部材14がレール4Aに対する直角横断向きとなるように向きを定めてナット16を締結操作しなければならない。この問題点を解決するために、何れも頭部15aが取付け用凹溝11の広幅部13内に嵌合する複数本(例えば2本)のボルト15で1つのレール支持部材14を、溝付きレール4Aに対する直角横断向きに固定できるように構成することができる。   In the above embodiment, since the rail support member 14 is attached to the lower side of the grooved rail 4A with a single bolt 15, the rail support member 14 can rotate around the bolt 15, and therefore, the nut. 16, when the rail support member 14 is fastened to the grooved rail 4 </ b> A, the nut 16 must be fastened by setting the direction so that the rail support member 14 is perpendicular to the rail 4 </ b> A. In order to solve this problem, a single rail support member 14 is grooved with a plurality of (for example, two) bolts 15 in which the head portion 15a is fitted into the wide width portion 13 of the mounting groove 11. It can be configured so that it can be fixed in a transverse direction perpendicular to the rail 4A.

尚、鍔付き車輪5Aを支持案内する溝付きレール4Aについて説明したが、鍔無し車輪を支持案内するレールは、図3に示すように、溝が形成されていない平坦なレール表面8を有するレール4Bとして実施することができる。又、図4に示すように、円弧形下側面7に代えて倒立山形下側面21を備えたレール4Cとして実施することもできる。このレール4Cにも、仮想線で示すように、鍔付き車輪5Aを案内するための溝10を形成することができる。   Although the grooved rail 4A for supporting and guiding the hooked wheel 5A has been described, the rail for supporting and guiding the hookless wheel is a rail having a flat rail surface 8 on which no groove is formed as shown in FIG. It can be implemented as 4B. Moreover, as shown in FIG. 4, it can also be implemented as a rail 4C having an inverted mountain-shaped lower side surface 21 instead of the arc-shaped lower side surface 7. A groove 10 for guiding the hooked wheel 5A can also be formed in the rail 4C as indicated by a virtual line.

更に、ボルト15の頭部として、平行2側面が取付け用凹溝11の広幅部13の両側面13a,13bに隣接する六角柱状の頭部15aを例示したが、例えば図5B及び図5Cに示すように、横長T形の頭部15cを備えたボルト15を利用することもできる。この横長T形の頭部15cは、図5Bに示すように前記取付け用凹溝11の長さ方向と平行な向きでは当該取付け用凹溝11の狭幅部12から内側幅広部13に挿入可能であって、回転により、図5Cに示すように長さ方向の両端22a,22bが前記取付け用凹溝11の内側幅広部13の両側面13a,13bに当接して回り止めされるものである。この横長T形の頭部15cを備えたボルト15を利用するときは、レール4A〜4Cの長さ方向の中間任意の位置で取付け用凹溝11にボルト15を組み付けることができる。   Further, as the head of the bolt 15, a hexagonal column-shaped head 15a whose two parallel side surfaces are adjacent to both side surfaces 13a and 13b of the wide portion 13 of the mounting groove 11 is illustrated, for example, as shown in FIGS. 5B and 5C. Thus, the bolt 15 provided with the horizontally long T-shaped head 15c can also be used. The horizontally long T-shaped head portion 15c can be inserted into the wide inner portion 13 from the narrow width portion 12 of the mounting groove 11 in a direction parallel to the length direction of the mounting groove 11 as shown in FIG. 5B. 5C, both ends 22a and 22b in the length direction come into contact with both side surfaces 13a and 13b of the inner wide portion 13 of the mounting groove 11 and are prevented from rotating. . When the bolt 15 having the horizontally long T-shaped head portion 15c is used, the bolt 15 can be assembled to the mounting groove 11 at any position in the middle of the rails 4A to 4C in the length direction.

A図は移動ラック装置の全体を示す概略側面図、B図は本発明の一実施形態で使用されるレールを示す縦断斜視図、C図は本発明の一実施形態を示す要部の縦断正面図である。Fig. A is a schematic side view showing the entire mobile rack device, Fig. B is a longitudinal perspective view showing a rail used in an embodiment of the present invention, and Fig. C is a longitudinal front view of a main part showing an embodiment of the present invention. FIG. A図は本発明の一実施形態を車輪と共に示す要部の縦断側面図、B図は同要部の縦断正面図である。FIG. 1A is a longitudinal side view of a main part showing an embodiment of the present invention together with a wheel, and FIG. B is a front elevational view of the main part. レールの第一変形例を示す縦断斜視図である。It is a vertical perspective view which shows the 1st modification of a rail. レールの第二変形例を示す縦断斜視図である。It is a vertical perspective view which shows the 2nd modification of a rail. A図は六角柱状頭部を備えたボルトとレール側の取付け用凹溝との関係を示す底面図、B図は横長T形の頭部を備えたボルトとレール側の取付け用凹溝との係合の第一段階を示す底面図、C図は同第二段階を示す底面図である。Fig. A is a bottom view showing the relationship between a bolt having a hexagonal column head and a mounting groove on the rail side, and Fig. B is a bolt having a horizontal T-shaped head and a mounting groove on the rail side. The bottom view which shows the 1st step of engagement and C figure are bottom views which show the 2nd step.

符号の説明Explanation of symbols

1A,1B 固定ラック
2A,2B 移動ラック
3 床面
4 レール
4A 溝付きレール
4B,4C 溝無しレール
5 車輪
5A 鍔付き車輪
7 円弧形下側面
8 レール表面
10 溝
11 取付け用凹溝
12 取付け用凹溝の狭幅部
13 取付け用凹溝の広幅部
13a,13b 取付け用凹溝の広幅部の両側面
14 レール支持部材
15 ボルト
15a ボルトの六角柱状頭部
15b ボルトの螺軸部
15c ボルトの横長T形頭部
16,18 ナット
17 アンカーボルト
19 既設コンクリート層(一次コンクリート層)
20 床面形成コンクリート層(二次コンクリート層)
21 レールの倒立山形下側面
22a,22b ボルトの横長T形頭部の両端
1A, 1B Fixed rack 2A, 2B Mobile rack 3 Floor surface 4 Rail 4A Grooved rail 4B, 4C Grooveless rail 5 Wheel 5A Hooked wheel 7 Arc-shaped lower side surface 8 Rail surface 10 Groove 11 Mounting concave groove 12 For mounting Narrow groove portion 13 Wide groove portions 13a and 13b of mounting groove both side surfaces 14 of mounting groove wide portion Rail support member 15 Bolt 15a Hexagonal column head 15b Bolt screw shaft portion 15c Bolt sideways T-shaped heads 16, 18 Nut 17 Anchor bolt 19 Existing concrete layer (primary concrete layer)
20 Floor forming concrete layer (secondary concrete layer)
21 Inverted mountain-shaped lower side surfaces 22a and 22b of rails Both ends of a horizontally long T-shaped head

Claims (4)

レール表面が床面と面一になるように床面下にレールを埋設した埋設レール装置であって、レールの下側面にレール長さ方向に連続する断面形状中広がりの取付け用凹溝を設け、この取付け用凹溝の内側広幅部にボルトの頭部をレール長さ方向移動自在に嵌合させ、前記取付け用凹溝の狭幅部から下向きに突出する前記ボルトの螺軸部と当該螺軸部に螺嵌するナットとによりレールの下側に支持部材を取り付け、この支持部材とアンカーボルトにより当該レールを床面下の既設コンクリート層に敷設して成る埋設レール装置において、前記レールの下側面は、当該レールの幅方向の横断面形状において下に凸の円弧面に形成され、この円弧形下側面の最低位置に前記取付け用凹溝が設けられている、埋設レール装置。 An embedded rail device in which the rail is embedded under the floor so that the rail surface is flush with the floor, and a mounting groove with a cross-section extending in the rail length direction is provided on the lower side of the rail. The bolt head is fitted to the inner wide portion of the mounting groove so as to be movable in the rail length direction, and the screw shaft portion of the bolt projecting downward from the narrow portion of the mounting groove and the screw. In an embedded rail device in which a support member is attached to the lower side of a rail with a nut screwed to a shaft portion, and the rail is laid on an existing concrete layer below the floor surface with the support member and an anchor bolt , A buried rail device , wherein the side surface is formed as a downwardly convex circular arc surface in a cross-sectional shape in the width direction of the rail, and the mounting concave groove is provided at the lowest position of the circular arc lower side surface. レール表面が床面と面一になるように床面下にレールを埋設した埋設レール装置であって、レールの下側面にレール長さ方向に連続する断面形状中広がりの取付け用凹溝を設け、この取付け用凹溝の内側広幅部にボルトの頭部をレール長さ方向移動自在に嵌合させ、前記取付け用凹溝の狭幅部から下向きに突出する前記ボルトの螺軸部と当該螺軸部に螺嵌するナットとによりレールの下側に支持部材を取り付け、この支持部材とアンカーボルトにより当該レールを床面下の既設コンクリート層に敷設して成る埋設レール装置において、前記レールの下側面は、当該レールの幅方向の横断面形状において下に凸の倒立山形に形成され、この倒立山形下側面の最低平坦面に前記取付け用凹溝が設けられている、埋設レール装置。 An embedded rail device in which the rail is embedded under the floor so that the rail surface is flush with the floor, and a mounting groove with a cross-section extending in the rail length direction is provided on the lower side of the rail. The bolt head is fitted to the inner wide portion of the mounting groove so as to be movable in the rail length direction, and the screw shaft portion of the bolt projecting downward from the narrow portion of the mounting groove and the screw. In an embedded rail device in which a support member is attached to the lower side of a rail with a nut screwed to a shaft portion, and the rail is laid on an existing concrete layer below the floor surface with the support member and an anchor bolt, The buried rail device has a side surface formed in an inverted inverted mountain shape in a cross-sectional shape in the width direction of the rail, and the mounting groove is provided on the lowest flat surface of the inverted mountain-shaped lower side surface . 前記ボルトの頭部は、前記取付け用凹溝の内側広幅部にレール長さ方向移動のみ可能で自転不能に嵌合する四角柱状又は六角柱状である、請求項1又は2に記載の埋設レール装置。 3. The embedded rail device according to claim 1, wherein the head of the bolt has a quadrangular columnar shape or a hexagonal columnar shape that can be moved only in the rail length direction but cannot rotate in the inner wide portion of the mounting concave groove. . 前記ボルトの頭部は、前記取付け用凹溝の長さ方向と平行な向きでは当該取付け用凹溝の狭幅部から内側幅広部に挿入可能であって、回転により長さ方向の両端が前記取付け用凹溝の内側幅広部の両側面に当接して回り止めされる横長T形に構成されている、請求項1又は2に記載の埋設レール装置。 The head portion of the bolt can be inserted from the narrow portion of the mounting groove into the inner wide portion in a direction parallel to the length direction of the mounting groove, and both ends in the length direction are rotated by the rotation. The embedded rail device according to claim 1 , wherein the embedded rail device is configured in a horizontally long T shape that is in contact with both side surfaces of the inner wide portion of the mounting groove and is prevented from rotating.
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