JP4883218B2 - Current collector - Google Patents

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JP4883218B2
JP4883218B2 JP2010290971A JP2010290971A JP4883218B2 JP 4883218 B2 JP4883218 B2 JP 4883218B2 JP 2010290971 A JP2010290971 A JP 2010290971A JP 2010290971 A JP2010290971 A JP 2010290971A JP 4883218 B2 JP4883218 B2 JP 4883218B2
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shoe
mounting base
current collector
trolley wire
guide rod
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JP2011078310A (en
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和也 山▲崎▼
芳孝 本多
稔 佐藤
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JFE Steel Corp
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JFE Steel Corp
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Description

本発明は、例えばクレーン等の短距離移動体に絶縁トロリー線より電力を取り入れるための集電装置に関するものである。   The present invention relates to a current collector for taking electric power from an insulated trolley wire into a short-distance moving body such as a crane.

一般に、クレーン等の短距離移動体に駆動電力を供給する方法としては、絶縁トロリー線と集電装置が利用される。電力の供給は移動体側に設けられた集電装置のシューをトロリー線と接触させることにより行われる。集電子のシューはトロリー線に一定の圧力で接触するように保持され、移動することにより磨耗する。このため、長距離トロリー線では敷設形状を工夫し、集電装置のシューの摺動面の偏磨耗を防止することが行われるが、クレーン等の短距離トロリー線では直線敷設となるため、偏磨耗が発生しやすく、定期的なシューの点検交換が必要となっている（例えば特許文献１参照）。   In general, an insulated trolley wire and a current collector are used as a method of supplying driving power to a short-distance moving body such as a crane. Electric power is supplied by bringing a shoe of a current collector provided on the moving body side into contact with a trolley wire. The shoe of the current collector is held in contact with the trolley wire at a constant pressure, and wears by moving. For this reason, the laying shape is devised for the long-distance trolley wire to prevent uneven wear on the sliding surface of the shoe of the current collector, but the short-distance trolley wire such as a crane is laid in a straight line. Wear is likely to occur, and it is necessary to periodically check and replace the shoe (see, for example, Patent Document 1).

特開平１１−９８６０４号公報Japanese Patent Laid-Open No. 11-98604

このように、クレーン等の短距離トロリー線では、一般に直線敷設となるため、偏磨耗が発生し、シューの交換頻度が高くなる。   Thus, in a short distance trolley wire such as a crane, since it is generally laid straight, uneven wear occurs, and the shoe replacement frequency increases.

また、偏磨耗によってシュー摺動面に段差が発生すると、この段差によりシューとトロリー線の接触不良（脱線）が発生し、給電不能となる場合がある。これに対して、シュー摺動面におけるトロリー線との接触位置を変更する等により、偏磨耗を防ぐ方法が考えられるが、メンテナンスの頻度が高くなり、効率が悪い。   In addition, if a step occurs on the sliding surface of the shoe due to uneven wear, a contact failure (derailment) between the shoe and the trolley wire may occur due to the step, and power supply may not be possible. On the other hand, a method for preventing uneven wear by changing the contact position of the shoe sliding surface with the trolley wire can be considered, but the frequency of maintenance increases and the efficiency is poor.

また、シューの取付部に移動機構を設け、シューの偏磨耗を防ぐように制御することも考えられるが、構造が複雑となることや、既存の設備に関しては集電装置の大幅な改造が必要となり、適用が困難である。   In addition, it may be possible to control the shoe mounting part by providing a moving mechanism to prevent uneven wear of the shoe, but the structure becomes complex and the existing equipment requires significant modifications to the current collector. Therefore, it is difficult to apply.

本発明の技術的課題は、簡易な構成でシューの偏磨耗を抑制できて、シューの点検、交換周期を伸ばすことができるようにすることにある。   The technical problem of the present invention is to be able to suppress uneven wear of the shoe with a simple configuration and extend the inspection and replacement cycle of the shoe.

（１）本発明に係る集電装置は、シューが取り付けられた取付台と、取付台を介してシューを保持する保持機構とを有し、移動体を駆動するための電力をトロリー線よりシューを介して取り出す集電装置であって、保持機構と取付台との間に、保持機構に対し取付台のシュー摺動面内での一定角度範囲の自由回動を許容する回転機構を設け、この回転機構は、保持機構側に設けられたガイドロッドと、取付台に固定されて、ガイドロッドが挿通可能なテーパ孔を有するガイド部材とから形成するとともに、テーパ孔を、その拡径側に向かうにつれてその断面形状がシュー摺動面と平行な方向に延びる長穴状となるように構成したものである。 (1) A current collector according to the present invention includes a mounting base to which a shoe is attached, and a holding mechanism that holds the shoe via the mounting base, and uses the trolley wire to supply power for driving the moving body. A rotating mechanism that allows the holding mechanism to freely rotate within a certain angle range within the shoe sliding surface of the mounting base between the holding mechanism and the mounting base, The rotating mechanism is formed of a guide rod provided on the holding mechanism side and a guide member having a tapered hole that is fixed to the mounting base and into which the guide rod can be inserted, and the tapered hole is formed on the diameter-expanded side. As it goes, the cross-sectional shape becomes a long hole extending in a direction parallel to the shoe sliding surface.

（２）本発明に係る集電装置は、ガイド部材が、テーパ孔の縮径側よりガイドロッドに差し込まれて組み付けられてなるものである。 (2) In the current collector according to the present invention, the guide member is assembled by being inserted into the guide rod from the reduced diameter side of the tapered hole.

（１）本発明に係る集電装置においては、保持機構と取付台との間に、保持機構に対し取付台のシュー摺動面内での一定角度範囲の自由回動を許容する回転機構を設け、この回転機構は、保持機構側に設けられたガイドロッドと、取付台に固定されて、ガイドロッドが挿通可能なテーパ孔を有するガイド部材とから形成するとともに、テーパ孔を、その拡径側に向かうにつれてその断面形状がシュー摺動面と平行な方向に延びる長穴状となるように構成したので、取付台すなわちシューの回転は、走行時にシューとトロリー線との接触により発生する摩擦力により自動的に行われる。このため、シュー摺動面のトロリー線との接触位置の変更に際し、動力部、制御部等は不要であり、本発明を既存クレーン等の集電装置へも簡単な改造で適用することができる。また、簡易な構成でシューの偏磨耗を抑制できて、シューの点検、交換周期を伸ばすことができる。さらに、シューとトロリー線の接触不良（脱線）を防止できて、給電不能となることを防ぐことが可能となる。 (1) In the current collector according to the present invention, between the holding mechanism and the mounting base, a rotating mechanism that allows the holding mechanism to freely rotate within a certain angle range within the shoe sliding surface of the mounting base. The rotating mechanism is formed from a guide rod provided on the holding mechanism side and a guide member having a tapered hole that is fixed to the mounting base and into which the guide rod can be inserted, and the tapered hole is expanded in diameter. Since the cross-sectional shape is a long hole extending in the direction parallel to the shoe sliding surface as it goes to the side, the rotation of the mounting base, that is, the shoe, is the friction generated by the contact between the shoe and the trolley wire during traveling. Automatically done by force. For this reason, when changing the contact position of the shoe sliding surface with the trolley wire, a power unit, a control unit and the like are unnecessary, and the present invention can be applied to a current collector such as an existing crane with a simple modification. . In addition, uneven wear of the shoe can be suppressed with a simple configuration, and the shoe inspection and replacement cycle can be extended. Furthermore, contact failure (derailment) between the shoe and the trolley wire can be prevented, and it becomes possible to prevent power supply from being disabled.

（２）本発明に係る集電装置においては、ガイド部材が、そのテーパ孔の縮径側よりガイドロッドに差し込まれて組み付けられているので、ガイド部材はその揺動（回動）中心がガイドロッドの基端側となり、ガイド部材の自由端がガイドロッドの先端側となる。このため、揺動（回動）終了時の揺動（回動）終端部でのガイドロッドとテーパ孔端面との衝突による衝撃が小さくなり、ガイドロッドの耐久性が向上する。 (2) In the current collector according to the present invention, since the guide member is assembled by being inserted into the guide rod from the diameter-reduced side of the tapered hole, the guide member has a center of swinging (turning) as a guide. It becomes the proximal end side of the rod, and the free end of the guide member becomes the distal end side of the guide rod. For this reason, the impact due to the collision between the guide rod and the end surface of the tapered hole at the end of the swing (turn) at the end of the swing (turn) is reduced, and the durability of the guide rod is improved.

実施の形態１に係る集電装置の概略構成を示す側面図である。1 is a side view showing a schematic configuration of a current collector according to Embodiment 1. FIG. 実施の形態１に係る集電装置の上面図である。3 is a top view of the current collector according to Embodiment 1. FIG. 実施の形態１に係る集電装置の動作の説明図である。FIG. 6 is an explanatory diagram of the operation of the current collector according to Embodiment 1. 本発明の実施の形態２に係る集電装置の概略構成を示す側面図である。It is a side view which shows schematic structure of the current collector which concerns on Embodiment 2 of this invention. 実施の形態２に係る集電装置の上面図である。5 is a top view of a current collector according to Embodiment 2. FIG. 実施の形態２に係る集電装置の動作の説明図である。FIG. 10 is an explanatory diagram of the operation of the current collector according to Embodiment 2.

実施の形態１．
以下、図示実施形態に基づき説明する。
図１は実施の形態１に係る集電装置の概略構成を示す側面図、図２はその上面図、図３（ａ）（ｂ）はその動作の説明図である。なお、ここではクレーンのサイドトロリー用パンタグラフに適用したものを例に挙げて説明する。 Embodiment 1 FIG.
Hereinafter, description will be made based on the illustrated embodiment.
FIG. 1 is a side view showing a schematic configuration of a current collector according to Embodiment 1, FIG. 2 is a top view thereof, and FIGS. 3A and 3B are explanatory views of its operation. Here, an example applied to a pantograph for a side trolley of a crane will be described.

図１及び図２において、１は例えば地上に敷設された絶縁トロリー線（以下、「トロリー線」という）、２はトロリー線１と接触可能にシュー３が取り付けられた取付台、４は取付台２を介してシュー３を保持する保持機構であり、例えば鉛直面内で揺動可能な４節リンクからなる平行運動機構（図示せず）と、平行運動機構に取り付けられた支持体４ａとから構成されている。なお、前記平行運動機構内には、支持体４ａを常時下方向（トロリー線直交方向）に付勢するばねが備えられている。これにより、取付台２すなわちシュー３は、図１に矢印Ａで示すようにトロリー線１に対し平行状態を保ったまま進退動することができる。   1 and 2, reference numeral 1 denotes, for example, an insulated trolley wire (hereinafter referred to as "trolley wire") laid on the ground, 2 denotes a mounting base on which a shoe 3 is attached so as to be in contact with the trolley wire 1, and 4 denotes a mounting base 2 is a holding mechanism that holds the shoe 3 via, for example, a parallel motion mechanism (not shown) composed of a four-joint link swingable in a vertical plane, and a support 4a attached to the parallel motion mechanism. It is configured. In the parallel motion mechanism, a spring that constantly urges the support 4a downward (in the direction perpendicular to the trolley line) is provided. Thereby, the mount 2, that is, the shoe 3 can move forward and backward while maintaining a parallel state with respect to the trolley wire 1 as indicated by an arrow A in FIG. 1.

５は保持機構４と取付台２との間に介在設置されて保持機構４に対し取付台２のシュー摺動面内での一定角度範囲の自由回動を許容する回転機構であり、取付台２におけるシュー３とトロリー線１との接触位置からずれた位置に固定されて、シュー摺動面に垂直な方向に延びる回転軸５ａと、保持機構４側すなわち支持体４ａに固定されて、回転軸５ａを一定角度範囲相対回動自在に保持する軸受部材５ｂとから構成されている。回転軸５ａの自由回動を一定角度範囲に規定する手段としては、例えば回転軸５ａの外周に所定角度範囲、溝を形成するとともに、軸受部材５ｂ側に回転軸５ａの前記溝に嵌入可能なねじやピンを外部から差し込むなどにより、簡単に設けることができる。なお、シュー３からはリードケーブル（図示せず）が導出されていることは言うまでもない。   Reference numeral 5 denotes a rotating mechanism that is interposed between the holding mechanism 4 and the mounting base 2 and allows the holding mechanism 4 to freely rotate within a fixed angle range within the shoe sliding surface of the mounting base 2. 2 is fixed at a position deviated from the contact position between the shoe 3 and the trolley wire 1 and is fixed to the rotating shaft 5a extending in a direction perpendicular to the shoe sliding surface and the holding mechanism 4 side, that is, the support 4a. The bearing member 5b is configured to hold the shaft 5a so as to be relatively rotatable within a certain angle range. As a means for defining the free rotation of the rotating shaft 5a within a certain angle range, for example, a predetermined angle range and a groove are formed on the outer periphery of the rotating shaft 5a, and the groove of the rotating shaft 5a can be fitted on the bearing member 5b side. It can be easily provided by inserting screws and pins from the outside. Needless to say, a lead cable (not shown) is led out from the shoe 3.

次に、本実施形態の集電装置の動作について説明する。図１のようにシュー３を下降させてトロリー線１と接触させ、図３（ａ）のようにクレーンを矢印Ｂ方向（前方）へ走行させると、平面的にみて回転軸５ａとトロリー線１との間に距離があり、かつシュー３のトロリー線１上での摺動によりこれらの間に摩擦力が発生するため、これがシュー３すなわち取付台２に対して回転軸５ａを回転中心とするモーメントとして作用し、取付台２すなわちシュー３が矢印Ｃ方向（反時計回り）に回転し、回転限度位置（前記溝の一端部）で回転を停止し、その状態でトロリー線１上を摺動する。   Next, the operation of the current collector of this embodiment will be described. When the shoe 3 is lowered and brought into contact with the trolley wire 1 as shown in FIG. 1 and the crane travels in the direction of arrow B (forward) as shown in FIG. 3A, the rotary shaft 5a and the trolley wire 1 are seen in plan view. And a frictional force is generated between them by sliding on the trolley wire 1 of the shoe 3, so that the rotation axis 5 a is the center of rotation with respect to the shoe 3, that is, the mount 2. Acting as a moment, the mounting base 2, that is, the shoe 3 rotates in the direction of arrow C (counterclockwise), stops rotating at the rotation limit position (one end of the groove), and slides on the trolley wire 1 in that state. To do.

その後、図３（ｂ）のようにクレーンを前記とは逆方向である矢印Ｄ方向（後方）へ走行させると、シュー３にはトロリー線１との接触により摩擦力が発生し、これがシュー３すなわち取付台２に対して回転軸５ａを回転中心とするモーメントとして作用し、取付台２すなわちシュー３が矢印Ｅ方向（時計回り）に回転し、回転限度位置（前記溝の他端部）で回転を停止し、その状態でトロリー線１上を摺動する。   Thereafter, as shown in FIG. 3 (b), when the crane travels in the direction of arrow D (rearward) which is the opposite direction to the above, a frictional force is generated in the shoe 3 by contact with the trolley wire 1, and this is the shoe 3 That is, it acts as a moment about the rotation axis 5a with respect to the mounting base 2, and the mounting base 2, that is, the shoe 3 rotates in the direction of arrow E (clockwise), and at the rotation limit position (the other end of the groove). The rotation is stopped, and the robot slides on the trolley wire 1 in this state.

このように、本実施形態の集電装置においては、クレーンの走行方向により、取付台２すなわちシュー３が回転軸５ａを中心に正逆回転して、シュー３のトロリー線１との接触位置が変化するので、シュー３のトロリー線１との接触面積が増加し、偏磨耗が低減される。このため、シュー３とトロリー線１の接触不良（脱線）を防止でき、給電不能となることを防ぐことができるとともに、シュー３の点検、交換周期を伸ばすことが可能となる。   As described above, in the current collector of the present embodiment, the mount 2, that is, the shoe 3 rotates forward and backward around the rotation shaft 5 a according to the traveling direction of the crane, and the contact position of the shoe 3 with the trolley wire 1 is changed. Since it changes, the contact area of the shoe 3 with the trolley wire 1 increases, and uneven wear is reduced. For this reason, it is possible to prevent contact failure (derailment) between the shoe 3 and the trolley wire 1, to prevent power supply from being disabled, and to increase the inspection and replacement cycle of the shoe 3.

また、取付台２すなわちシュー３の回転は、走行時にシュー３とトロリー線１との接触により発生する摩擦力により自動的に行われるようにしているので、シュー摺動面のトロリー線１との接触位置の変更に際し、動力部、制御部等は不要であり、既存クレーン等の集電装置へも簡単な改造で適用することができる。   Further, the rotation of the mount 2, that is, the shoe 3 is automatically performed by the frictional force generated by the contact between the shoe 3 and the trolley wire 1 during traveling. When changing the contact position, a power unit, a control unit, and the like are unnecessary, and can be applied to a current collector such as an existing crane with a simple modification.

また、回転機構５を、取付台２におけるシュー３とトロリー線１との接触位置からずれた位置に固定されて、シュー摺動面に垂直な方向に延びる回転軸５ａと、保持機構側に固定されて、回転軸５ａを一定角度範囲相対回動自在に保持する軸受部材５ｂとから構成しているので、回転機構を簡単に製作することができる。   Further, the rotation mechanism 5 is fixed at a position shifted from the contact position between the shoe 3 and the trolley wire 1 on the mounting base 2 and is fixed to the rotation shaft 5a extending in a direction perpendicular to the shoe sliding surface and the holding mechanism side. Thus, since the rotary shaft 5a is constituted by the bearing member 5b that holds the rotary shaft 5a so as to be relatively rotatable within a certain angle range, the rotary mechanism can be easily manufactured.

実施の形態２．
図４は本発明の実施の形態２に係る集電装置の概略構成を示す側面図、図５はその上面図、図６（ａ）（ｂ）はその動作の説明図であり、各図中、前述の第１実施形態のものと同一部分には同一符号を付してある。なお、ここでも本発明をクレーンのサイドトロリー用パンタグラフに適用したものを例に挙げて説明する。 Embodiment 2. FIG.
4 is a side view showing a schematic configuration of a current collector according to Embodiment 2 of the present invention, FIG. 5 is a top view thereof, and FIGS. 6 (a) and 6 (b) are explanatory views of the operation. The same parts as those in the first embodiment are denoted by the same reference numerals. Here, the present invention is applied to a pantograph for a side trolley of a crane as an example.

本実施形態の集電装置は、回転機構５０が、保持機構４側すなわち支持体４ａに設けられたガイドロッド５１と、取付台２に固定されて、ガイドロッド５１が挿通可能なテーパ孔５２ａを有するガイド部材５２とから形成されている。   In the current collector of this embodiment, the rotation mechanism 50 has a guide rod 51 provided on the holding mechanism 4 side, that is, the support body 4a, and a taper hole 52a through which the guide rod 51 can be inserted by being fixed to the mounting base 2. And a guide member 52 having the same.

これを更に詳述すると、ガイド部材５２は、そのテーパ孔５２ａのガイドロッド５１が差し込まれる縮径側（基端側）５２ｂが、ガイドロッド５１の外径とほぼ等しい内径を有する断面円形に形成されているとともに、そのテーパ孔５２ａの拡径側（先端側）５２ｃに向かうにつれてその断面形状がシュー摺動面と平行な方向に延びる長穴状となるように形成され、さらに長穴状の幅はガイドロッド５１の外径より若干大きくなるように構成されている。これにより、ガイド部材５２は、テーパ孔５２ａの基端側５２ｂの円形孔部を中心に自由揺動（回動）でき、揺動範囲が長穴の長さにより一定角度範囲に規定されるようになっている。つまり、長穴両端の面がガイドロッド５１と当接することで揺動（回動）を規制するストッパとして機能し、これによって揺動範囲が規定されるようになっている。   More specifically, the guide member 52 is formed in a circular cross section in which the reduced diameter side (base end side) 52b into which the guide rod 51 of the tapered hole 52a is inserted has an inner diameter substantially equal to the outer diameter of the guide rod 51. In addition, the cross-sectional shape of the tapered hole 52a is formed so as to become a long hole extending in a direction parallel to the shoe sliding surface toward the enlarged diameter side (tip side) 52c. The width is configured to be slightly larger than the outer diameter of the guide rod 51. As a result, the guide member 52 can freely swing (rotate) around the circular hole portion on the proximal end side 52b of the tapered hole 52a, and the swing range is defined by a certain angle range by the length of the long hole. It has become. That is, the surfaces at both ends of the elongated hole abut on the guide rod 51 so as to function as a stopper for restricting the swinging (turning), whereby the swinging range is defined.

なお、ガイドロッド５１のテーパ孔貫通端には、脱落防止リング５３が取り付けられ、これによってガイドロッド５１からガイド部材５２すなわちシュー３側が脱落するのを防止している。それ以外の保持機構４を含む構成は前述の実施の形態１のものと同一である。   Note that a drop prevention ring 53 is attached to the end of the guide rod 51 that passes through the tapered hole, thereby preventing the guide member 52, that is, the shoe 3 side from dropping from the guide rod 51. Other configurations including the holding mechanism 4 are the same as those in the first embodiment.

次に、本実施形態の集電装置の動作について説明する。図４のようにシュー３を下降させてトロリー線１と接触させ、図６（ａ）のようにクレーンを矢印Ｂ方向（前方）へ走行させると、平面的にみてガイド部材５２のテーパ孔５２ａの基端側５２ｂの円形孔部とトロリー線１との間に距離があり、かつシュー３のトロリー線１上での摺動によりこれらの間に摩擦力が発生するため、これがシュー３すなわち取付台２に対してテーパ孔５２ａの円形孔部を回転中心とするモーメントとして作用し、取付台２すなわちシュー３が矢印Ｃ方向（反時計回り）に回転し、回転限度位置（テーパ孔５２ａの長穴の一端にガイドロッド５１が当接する位置）で回転を停止し、その状態でトロリー線１上を摺動する。   Next, the operation of the current collector of this embodiment will be described. When the shoe 3 is lowered and brought into contact with the trolley wire 1 as shown in FIG. 4 and the crane travels in the direction of arrow B (forward) as shown in FIG. 6A, the tapered hole 52a of the guide member 52 is seen in plan view. Since there is a distance between the circular hole on the base end side 52b of the trolley wire 1 and the trolley wire 1 and sliding on the trolley wire 1 of the shoe 3 generates a frictional force between them, this is the shoe 3 or mounting. It acts as a moment centering on the circular hole portion of the tapered hole 52a with respect to the base 2, and the mounting base 2, that is, the shoe 3 rotates in the direction of arrow C (counterclockwise), and the rotation limit position (the length of the tapered hole 52a) The rotation is stopped at a position where the guide rod 51 comes into contact with one end of the hole, and the trolley wire 1 is slid in that state.

その後、図６（ｂ）のようにクレーンを前記とは逆方向である矢印Ｄ方向（後方）へ走行させると、シュー３にはトロリー線１との接触により摩擦力が発生し、これがシュー３すなわち取付台２に対してテーパ孔５２ａの円形孔部を回転中心とするモーメントとして作用し、取付台２すなわちシュー３が矢印Ｅ方向（時計回り）に回転し、回転限度位置（テーパ孔５２ａの長穴の他端にガイドロッド５１が当接する位置）で回転を停止し、その状態でトロリー線１上を摺動する。   Thereafter, as shown in FIG. 6B, when the crane travels in the direction of arrow D (rearward) which is the opposite direction to the above, a frictional force is generated in the shoe 3 due to the contact with the trolley wire 1, and this is the shoe 3 That is, it acts as a moment centering on the circular hole portion of the tapered hole 52a with respect to the mounting base 2, and the mounting base 2, that is, the shoe 3 rotates in the direction of arrow E (clockwise), and the rotation limit position (the tapered hole 52a The rotation is stopped at a position where the guide rod 51 comes into contact with the other end of the elongated hole, and the trolley wire 1 is slid in that state.

このように、本実施形態の集電装置においても、クレーンの走行方向により、取付台２すなわちシュー３がテーパ孔５２ａの円形孔部を中心に正逆回転して、シュー３のトロリー線１との接触位置が変化するので、前述の実施の形態１と同様にシュー３のトロリー線１との接触面積が増加し、偏磨耗が低減される。このため、シュー３とトロリー線１の接触不良（脱線）を防止でき、給電不能となることを防ぐことができるとともに、シュー３の点検、交換周期を伸ばすことが可能となる。さらに、回転機構５０を簡単に製作することができるとともに、シュー３と支持体４ａとの組付も、ガイドロッド５１をガイド部材５２のテーパ孔５２ａの基端側よりに挿入して、ガイドロッドのテーパ孔貫通端に脱落防止リング５３を装着するだけでよいため、シュー３部の交換も簡単に行うことができる。   As described above, also in the current collector of the present embodiment, the mount 2, that is, the shoe 3 rotates forward and backward around the circular hole portion of the tapered hole 52 a depending on the traveling direction of the crane, and the trolley wire 1 of the shoe 3 Since the contact position changes, the contact area of the shoe 3 with the trolley wire 1 increases as in the first embodiment, and uneven wear is reduced. For this reason, it is possible to prevent contact failure (derailment) between the shoe 3 and the trolley wire 1, to prevent power supply from being disabled, and to increase the inspection and replacement cycle of the shoe 3. Further, the rotation mechanism 50 can be easily manufactured, and the assembly of the shoe 3 and the support 4a is also performed by inserting the guide rod 51 from the proximal end side of the tapered hole 52a of the guide member 52, thereby guiding the guide rod. Since it is only necessary to attach the drop prevention ring 53 to the taper hole penetrating end, the replacement of the shoe 3 part can be easily performed.

１ トロリー線
２ 取付台
３ シュー
４ 保持機構
５，５０ 回転機構
５ａ 回転軸
５ｂ 軸受部材
５１ ガイドロッド
５２ ガイド部材
５２ａ テーパ孔
５２ｂ テーパ孔の基端側
５２ｃ テーパ孔の先端側 DESCRIPTION OF SYMBOLS 1 Trolley wire 2 Mounting base 3 Shoe 4 Holding mechanism 5,50 Rotating mechanism 5a Rotating shaft 5b Bearing member 51 Guide rod 52 Guide member 52a Taper hole 52b Base end side of taper hole 52c Tip end side of taper hole

Claims (2)

シューが取り付けられた取付台と、該取付台を介して前記シューを保持する保持機構とを有し、移動体を駆動するための電力をトロリー線よりシューを介して取り出す集電装置であって、
前記保持機構と前記取付台との間に、前記保持機構に対し前記取付台のシュー摺動面内での一定角度範囲の自由回動を許容する回転機構を設け、
前記回転機構は、
前記保持機構側に設けられたガイドロッドと、
前記取付台に固定されて、前記ガイドロッドが挿通可能なテーパ孔を有するガイド部材とから形成するとともに、
前記テーパ孔を、その拡径側に向かうにつれてその断面形状が前記シュー摺動面と平行な方向に延びる長穴状となるように構成したことを特徴とする集電装置。 A current collector having a mounting base to which a shoe is attached and a holding mechanism for holding the shoe via the mounting base, and for taking out electric power for driving a movable body from the trolley wire through the shoe. ,
Provided between the holding mechanism and the mounting base is a rotating mechanism that allows the holding mechanism to freely rotate within a certain angle range within the shoe sliding surface of the mounting base;
The rotation mechanism is
A guide rod provided on the holding mechanism side;
The guide member is fixed to the mounting base and has a tapered hole through which the guide rod can be inserted.
The current collector is characterized in that the tapered hole has a long hole shape extending in a direction parallel to the shoe sliding surface as it goes toward the diameter-expanding side. 前記ガイド部材は、前記テーパ孔の縮径側より前記ガイドロッドに差し込まれて組み付けられてなることを特徴とする請求項１記載の集電装置。   The current collector according to claim 1, wherein the guide member is assembled by being inserted into the guide rod from a reduced diameter side of the tapered hole.
JP2010290971A 2010-12-27 2010-12-27 Current collector Active JP4883218B2 (en)

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