JP5147512B2 - Wire rope flaw detector - Google Patents

Wire rope flaw detector Download PDF

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JP5147512B2
JP5147512B2 JP2008107749A JP2008107749A JP5147512B2 JP 5147512 B2 JP5147512 B2 JP 5147512B2 JP 2008107749 A JP2008107749 A JP 2008107749A JP 2008107749 A JP2008107749 A JP 2008107749A JP 5147512 B2 JP5147512 B2 JP 5147512B2
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magnetic flux
wire rope
base
side plate
sliding portion
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JP2009257948A (en
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太志 関谷
友治 大西
礼 石田
大輔 浅井
俊昭 松本
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Hitachi Building Systems Co Ltd
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Hitachi Building Systems Co Ltd
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Description

本発明は、ワイヤーロープの素線破断を検出するワイヤーロープ探傷装置に関する。   The present invention relates to a wire rope flaw detector that detects wire breakage of a wire rope.

エレベーター、リフト、ケーブルカー、あるいはクレーン等に使用されているワイヤーロープは、複数の素線から成る鋼線を撚って構成されている。このワイヤーロープは、使用するにつれて素線に破断を生じやすい。このような素線破断は経年的に増加する。したがって、ワイヤーロープの素線破断数を点検して、ワイヤーロープの管理、維持を行う必要がある。この素線破断数の点検を目視によって行おうとする場合には、行程が長いエレベーター等に係るワイヤーロープの場合には、長時間の目視点検作業となる。また、目視点検を実施するためには、ロープ油等が固着されているワイヤーロープの表面を清掃することが必要になる。さらに、ワイヤーロープの内部に生じている素線破断は、この目視点検では検出できない。   A wire rope used in an elevator, a lift, a cable car, a crane, or the like is formed by twisting a steel wire composed of a plurality of strands. This wire rope tends to break the strands as it is used. Such wire breakage increases over time. Therefore, it is necessary to check the number of wire breaks of the wire rope and to manage and maintain the wire rope. When the inspection of the number of broken wires is to be performed visually, in the case of a wire rope related to an elevator or the like having a long stroke, it is a long-time visual inspection work. Moreover, in order to carry out visual inspection, it is necessary to clean the surface of the wire rope to which rope oil or the like is fixed. Furthermore, the wire breakage occurring inside the wire rope cannot be detected by this visual inspection.

このようなことから、漏洩磁束法や電磁気探傷法を用いたワイヤーロープ探傷装置が従来から提案されている。   For these reasons, wire rope flaw detectors using a leakage magnetic flux method or an electromagnetic flaw detection method have been proposed.

図３は、従来一般に活用されているワイヤーロープ探傷装置の外観構成を示す図である。この従来技術では、図示しない磁化手段、及び図示しない磁束検出手段が取り付けられたベース３ａに、磁化手段及び磁束検出手段を覆う側板１ｂが接着固定されるとともに、図示しないワイヤーロープが接触し、このワイヤーロープを案内する摺動部１ａを備え、この摺動部１ａと側板１ｂとを一体構造物に形成してある。また、磁束検出手段で検出された磁束を出力する出力手段、すなわちコネクタ６ａを、図示しないワイヤーロープの摺動方向に、すなわち伸長方向に沿うようにベース３ａの端面に取付けてある。なお、この種の従来技術として特許文献１に示されるものがある。
特公平１−４９８９８号公報 FIG. 3 is a diagram showing an external configuration of a wire rope flaw detector that has been generally used conventionally. In this prior art, the side plate 1b covering the magnetizing means and the magnetic flux detecting means is bonded and fixed to the base 3a to which the magnetizing means (not shown) and the magnetic flux detecting means (not shown) are attached. The sliding part 1a which guides a wire rope is provided, and this sliding part 1a and the side plate 1b are formed in the integral structure. Further, output means for outputting the magnetic flux detected by the magnetic flux detection means, that is, the connector 6a is attached to the end surface of the base 3a in the sliding direction of the wire rope (not shown), that is, along the extending direction. In addition, there exists a thing shown by patent document 1 as this kind of prior art.
Japanese Patent Publication No. 1-44988

前述した図３に示すように構成された従来技術では、摩耗により摺動部１ａの交換が必要になった際には、摺動部１ａと側板１ｂとが一体構造物となっていることから、接着固定されている側板１ｂをベース３ａから剥がさなければならず、また、新しい摺動部１ａと側板１ｂとの一体構造物を、ベース３に接着する多大な手間と、時間と、熟練を要する煩雑な交換作業が必要となってしまう。   In the prior art configured as shown in FIG. 3 described above, when the sliding portion 1a needs to be replaced due to wear, the sliding portion 1a and the side plate 1b are an integral structure. The side plate 1b that has been bonded and fixed must be peeled off from the base 3a, and a great amount of time, time, and skill are required to bond the integrated structure of the new sliding portion 1a and the side plate 1b to the base 3. The complicated exchange work which requires is needed.

なお、摺動部１ａと磁束検出手段との取付け誤差は、検出精度に大きく影響する。したがって、前述のように新たな一体構造物をベース３ａに接着固定した後に、良好な検出精度が得られない場合には、これらの摺動部１ａと磁束検出手段との間で位置ずれを生じている懸念がある。この場合には再度、側板１ｂをベース３ａから剥がし、摺動部１ａを磁束検出手段に正しく取付けた後、改めて側板１ｂをベース３ａに接着固定する煩雑な取付け作業が必要となる。   Note that the mounting error between the sliding portion 1a and the magnetic flux detection means greatly affects the detection accuracy. Therefore, if a good detection accuracy cannot be obtained after a new integrated structure is bonded and fixed to the base 3a as described above, a displacement occurs between these sliding portions 1a and the magnetic flux detection means. There are concerns. In this case, the side plate 1b is peeled off from the base 3a again, and after the sliding portion 1a is correctly attached to the magnetic flux detecting means, a complicated mounting operation is required for bonding and fixing the side plate 1b to the base 3a again.

また、磁束検出手段が故障した場合には、側板１ｂをベース３から剥がして、新たな磁束検出手段に交換するか、あるいはワイヤーロープ探傷装置そのものを新しいものに交換することが必要になる。   Further, when the magnetic flux detection means fails, it is necessary to remove the side plate 1b from the base 3 and replace it with a new magnetic flux detection means, or to replace the wire rope flaw detector itself with a new one.

また、コネクタ６がワイヤーロープの伸長方向に沿うように、ベース３ａの端面に取り付けられていることから、磁束検出手段とコネクタ６ａとを接続する配線を、磁化手段の横を通るように引き回す必要がある。このため、摺動部１ａと側板１ｂの一体構造物をベース３に接着する際には、この一体構造物が配線に接触して配線が断線してしまわないように注意しなければならず、前述と同様に多大な手間と、時間と、熟練を要する。   In addition, since the connector 6 is attached to the end surface of the base 3a so as to follow the direction of extension of the wire rope, it is necessary to route the wiring connecting the magnetic flux detection means and the connector 6a so as to pass beside the magnetizing means. There is. For this reason, when adhering the integrated structure of the sliding portion 1a and the side plate 1b to the base 3, care must be taken so that the integrated structure does not come into contact with the wiring and the wiring is disconnected. As before, it takes a lot of time, time and skill.

本発明は、前述した従来技術における実状からなされたもので、その目的は、摩耗した摺動部の交換を容易に行うことができるワイヤーロープ探傷装置を提供することにある。   The present invention has been made from the above-described prior art, and an object thereof is to provide a wire rope flaw detector capable of easily exchanging a worn sliding portion.

前記目的を達成するために、本発明の請求項１に係るワイヤーロープ探傷装置は、本体を構成するベースと、このベースに取付けられ、複数の鋼線を撚り合せて成るワイヤーロープを磁化させる磁化手段と、前記ベースに取付けられ、前記ワイヤーロープの漏洩磁束を検出する磁束検出手段と、前記ベースに取付けられ、前記磁束検出手段で検出した磁束を出力する出力手段と、前記ワイヤーロープと接触し、このワイヤーロープを案内する摺動部と、この摺動部を保持するとともに、前記磁化手段及び磁束検出手段を覆い、前記ベースに取付けられる一対の側板とを備えたワイヤーロープ探傷装置において、前記摺動部と前記側板とを個別に形成し、前記磁束検出手段は、下方部分に凹状半円曲面部を有し、 前記摺動部は、上方部分に前記磁束検出手段の前記凹状半円曲面部に適合する凸状曲面部を有するとともに、両下端部のそれぞれに、互いに外側に向かって延設される折曲げ部を有し、自身の持つ弾性により、外側に向かって下端部が拡開する傾向を有するものから成り、前記一対の側板は、それぞれの下端部に前記摺動部の折曲げ部の下方に位置し、互いに内側に向かって延設される折曲げ部を有することを特徴としている。 In order to achieve the above object, a wire rope flaw detector according to claim 1 of the present invention is a magnet that magnetizes a base constituting a main body and a wire rope attached to the base and twisted with a plurality of steel wires. Means, magnetic flux detection means attached to the base and detecting leakage magnetic flux of the wire rope, output means attached to the base and outputting magnetic flux detected by the magnetic flux detection means, and contacted with the wire rope In the wire rope flaw detector comprising: a sliding portion for guiding the wire rope; and a pair of side plates that hold the sliding portion, cover the magnetization means and the magnetic flux detection means, and are attached to the base. The sliding part and the side plate are individually formed, and the magnetic flux detecting means has a concave semicircular curved surface part in a lower part, and the sliding part is in the upper part While having a convex curved surface portion that fits the concave semicircular curved surface portion of the magnetic flux detection means, each lower end portion has a bent portion extending toward the outside, and due to its own elasticity, It consists of what has a tendency for a lower end part to expand toward the outside, and the pair of side plates is located below the bent part of the sliding part at each lower end part, and extends toward the inside. It is characterized by having a bent portion.

このように構成した本発明は、摺動部と側板とを個別に形成してあることから、摩耗した摺動部の交換に際しては、その摩耗した摺動部だけを、この摺動部が保持されている側板から取外して、新たな摺動部を側板に保持させればよく、摩耗した摺動部の交換を容易に行うことができる。   In the present invention configured as described above, since the sliding portion and the side plate are individually formed, when the worn sliding portion is replaced, only the worn sliding portion is held by the sliding portion. It is only necessary to remove the sliding portion from the side plate and hold the new sliding portion on the side plate, and the worn sliding portion can be easily replaced.

また、本発明に係るワイヤーロープ探傷装置は、前記発明において、前記側板が前記摺動部を案内するガイド部材を構成することを特徴としている。このように構成した本発明は、ガイド部材を構成する側板によって摺動部を案内させながら移動させることにより、この摺動部を磁束検出手段に適合するように容易に取付けることができる。これによって、高い検出精度を確保できる。   The wire rope flaw detector according to the present invention is characterized in that, in the above invention, the side plate constitutes a guide member for guiding the sliding portion. In the present invention configured as described above, the sliding portion can be easily attached so as to be adapted to the magnetic flux detecting means by moving the sliding portion while guiding the sliding portion by the side plate constituting the guide member. Thereby, high detection accuracy can be secured.

また、本発明に係るワイヤーロープ探傷装置は、前記発明において、前記磁化手段、及びベースに、前記出力手段と前記磁束検出手段とを接続する配線を挿通させる空間部を形成したことを特徴としている。このように構成した本発明は、磁束検出手段と出力手段とを接続する配線が、磁束検出手段、磁化手段、及びベース等の表面側に露出されることがないので、例えば側板をベースに取付けた際に、側板と配線との干渉を生じることがなく、摺動部の交換に際して、あるいはベースへの側板の取付けに際して配線の断線を生じることがない。   Moreover, the wire rope flaw detector according to the present invention is characterized in that, in the above-mentioned invention, a space for inserting a wiring connecting the output unit and the magnetic flux detection unit is formed in the magnetizing unit and the base. . In the present invention configured as described above, since the wiring connecting the magnetic flux detection means and the output means is not exposed on the surface side of the magnetic flux detection means, the magnetization means, the base, etc., for example, the side plate is attached to the base. In this case, there is no interference between the side plate and the wiring, and no disconnection of the wiring occurs when the sliding portion is replaced or when the side plate is attached to the base.

また、本発明に係るワイヤーロープ探傷装置は、前記発明において、前記側板、及び前記磁束検出手段のそれぞれを前記ベースにビスによって取付けたことを特徴としている。このように構成した本発明は、磁束検出手段の交換が必要になったときには、側板をベースに取付けていたビス、及び磁束検出手段をベースに取付けていたビスをそれぞれゆるめて取り外すことにより、磁束検出手段をベースから容易に取外して新しいものに交換することができる。   The wire rope flaw detector according to the present invention is characterized in that, in the above invention, each of the side plate and the magnetic flux detecting means is attached to the base with screws. In the present invention configured as described above, when the magnetic flux detection means needs to be replaced, the screws that have the side plate attached to the base and the screws that have the magnetic flux detection means attached to the base are loosened and removed, respectively. The detection means can be easily removed from the base and replaced with a new one.

本発明によれば、ワイヤーロープを案内する摺動部と、この摺動部を保持するとともに、磁化手段及び磁束検出手段を覆い、ベースに取付けられる側板とを、個別に形成したことから、摩耗した摺動部の交換に際しては、その摩耗した摺動部だけを側板から取外して、新たな摺動部を側板に保持させればよく、摩耗した摺動部の交換を容易に行うことができる。したがって、摺動部交換作業を簡単に、従来よりも手間がかからずに短時間で、しかも従来のように熟練を要することなく行うことができる。   According to the present invention, the sliding portion that guides the wire rope and the side plate that holds the sliding portion, covers the magnetizing means and the magnetic flux detecting means, and is attached to the base are individually formed. When replacing the sliding part, it is only necessary to remove the worn sliding part from the side plate and hold the new sliding part on the side plate, so that the worn sliding part can be easily replaced. . Therefore, the sliding part replacement operation can be easily performed in a short time without taking time and effort as compared with the conventional technique without requiring skill.

以下、本発明のワイヤーロープ探傷装置に関する実施形態を図に基づいて説明する。   Hereinafter, embodiments of the wire rope flaw detector according to the present invention will be described with reference to the drawings.

図１は本発明に係るワイヤーロープ探傷装置の一実施形態を示す図で、（ａ）図は正面図、（ｂ）図は平面図、（ｃ）図は側面図、図２は図１の（ｃ）図に対応する図で、図２の（ａ）図は要部拡大図、（ｂ）図は磁束検出手段に対して摺動部が正しく取り付けられていないときに行われる動作を示す図である。   FIG. 1 is a view showing an embodiment of a wire rope flaw detector according to the present invention. FIG. 1 (a) is a front view, FIG. 1 (b) is a plan view, FIG. 1 (c) is a side view, and FIG. (C) is a figure corresponding to FIG. 2, (a) figure of FIG. 2 is a principal part enlarged view, (b) figure shows the operation | movement performed when the sliding part is not correctly attached with respect to the magnetic flux detection means. FIG.

本実施形態に係るワイヤーロープ探傷装置も、図１の（ａ）図等に示すように、本体を形成するベース３と、このベース３に取付けられ、複数の鋼線を撚り合わせて成る図示しないワイヤーロープを磁化させる磁化手段、例えば永久磁石４と、ベース３に取付けられ、ワイヤーロープの漏洩磁束を検出する磁束検出手段５と、ベース３に取付けられ、この磁束検出手段５で検出された磁束を出力する出力手段、例えばコネクタ６とを備えている。永久磁石４及び磁束検出手段５は、図示しないビスによってベース３に取付けてある。また、コネクタ６は、図示しないワイヤーロープの伸長方向と直交する径方向に沿うようにベース３の上面に、ビス８によって取付けてある。   The wire rope flaw detector according to the present embodiment, as shown in FIG. 1 (a), etc., is not shown, comprising a base 3 forming a main body and a plurality of steel wires attached to the base 3 and twisted together. Magnetizing means for magnetizing the wire rope, for example, the permanent magnet 4, the magnetic flux detecting means 5 attached to the base 3 for detecting the leakage magnetic flux of the wire rope, and the magnetic flux attached to the base 3 and detected by the magnetic flux detecting means 5 Output means, for example, a connector 6. The permanent magnet 4 and the magnetic flux detection means 5 are attached to the base 3 with screws (not shown). The connector 6 is attached to the upper surface of the base 3 with screws 8 so as to extend along a radial direction orthogonal to the extending direction of a wire rope (not shown).

前述した永久磁石４、及び磁束検出手段５を覆う例えば金属板から成る側板２と、その側板２に保持され、図示しないワイヤーロープと接触し、このワイヤーロープを案内する例えば金属板から成る摺動部１とは互いに個別に形成してあり、側板２はビス７によってベース３に取付けてある。   A side plate 2 made of, for example, a metal plate covering the permanent magnet 4 and the magnetic flux detecting means 5 described above, and a slide made of, for example, a metal plate held on the side plate 2 and in contact with a wire rope (not shown) to guide the wire rope. The part 1 is formed separately from each other, and the side plate 2 is attached to the base 3 with screws 7.

図２の（ａ）図に示すように、側板２は、永久磁石４及び磁束検出手段５を挟むように一対設けてあり、それぞれの下端部には、互いに内側に向って延設される折曲げ部２ａを有している。摺動部１は、上方部分が磁束検出手段５の下端に形成された凹状半円曲面部に適合する凸状曲面部に形成され、両下端部のそれぞれに、互いに外側に向って延設される折曲げ部１Ａを有している。磁束検出手段５の設置誤差が小さく、側板２及び摺動部１の製作誤差が小さいときには、磁束検出手段５に摺動部１を正しく取り付けた際には、図２の（ａ）図に示すように、側板２の下端部に設けた折曲げ部２ａの上面に摺動部１の下端部に設けた折曲げ部１Ａの下面が係止された状態で、摺動部１は側板２に保持される。   As shown in FIG. 2 (a), a pair of side plates 2 are provided so as to sandwich the permanent magnet 4 and the magnetic flux detection means 5, and the lower end portions of the side plates 2 are folded toward the inside. It has a bent portion 2a. The sliding portion 1 is formed in a convex curved surface portion whose upper portion is adapted to a concave semicircular curved surface portion formed at the lower end of the magnetic flux detecting means 5, and extends outward from each other at both lower end portions. 1A. When the installation error of the magnetic flux detection means 5 is small and the manufacturing error of the side plate 2 and the sliding part 1 is small, the sliding part 1 is correctly attached to the magnetic flux detection means 5 as shown in FIG. Thus, the sliding portion 1 is attached to the side plate 2 in a state where the lower surface of the bending portion 1A provided at the lower end portion of the sliding portion 1 is locked to the upper surface of the bending portion 2a provided at the lower end portion of the side plate 2. Retained.

また、摺動部１は、自身の持つ弾性により、外側に向って下端部が拡開する傾向を有している。すなわち、摺動部１の折り曲げ部２ａの端面が側板２の内面に当接し、押し付けられる傾向になっている。また、側板２は、摺動部１を上下方向に案内するガイド部材を構成している。この側板２は、摺動部１を押し付ける弾性力を有するように構成してもよく、また、摺動部１を押し付ける弾性力を有さず、摺動部１の持つ弾性力のみでこの摺動部１を側板２に保持させるように構成してもよい。   Moreover, the sliding part 1 has the tendency for a lower end part to expand toward the outer side by the elasticity which self has. That is, the end surface of the bent portion 2a of the sliding portion 1 is in contact with the inner surface of the side plate 2 and tends to be pressed. The side plate 2 constitutes a guide member that guides the sliding portion 1 in the vertical direction. The side plate 2 may be configured to have an elastic force that presses the sliding portion 1, and does not have an elastic force that presses the sliding portion 1, but only the elastic force that the sliding portion 1 has. You may comprise so that the moving part 1 may be hold | maintained to the side plate 2. FIG.

また、図１の（ａ）図に示すように、永久磁石４及びベース３に、コネクタ６と磁束検出手段５とを接続させる配線５ａを挿通させる空間部９を形成してある。   Further, as shown in FIG. 1A, a space 9 is formed in the permanent magnet 4 and the base 3 for inserting the wiring 5 a for connecting the connector 6 and the magnetic flux detection means 5.

このように構成した本実施形態は、例えば永久磁石４及び磁束検出手段５を図示しないビスでベース３に取付けた後、磁束検出手段５に接続された配線５ａを空間部９内に挿通させてコネクタ６に接続し、コネクタ６をビス８によってベース３の上面に取付ける。この状態において、例えば図２の（ａ）図に示すように、一対の側板２をビス７でベース３に取付ける。最後に側板２に保持させるように、また、磁束検出手段５に適合するように、摺動部１を取付ける。このとき、摺動部１の上方部分の凸状曲面部が磁束検出手段５の下端部に形成された凹状半円曲面部に正しく適合していない場合には、図２の（ｂ）図に示すように、摺動部１を適宜上下方向に移動させて正しく適合させればよい。なお、側板２による摺動部１の保持は、前述したように、主に摺動部１自身の有する弾性力によって、摺動部１の折曲げ部１Ａが側板２の内側に当接して押し当てられることによって行なわれる。   In this embodiment configured as described above, for example, the permanent magnet 4 and the magnetic flux detection means 5 are attached to the base 3 with screws (not shown), and then the wiring 5a connected to the magnetic flux detection means 5 is inserted into the space 9. Connected to the connector 6, the connector 6 is attached to the upper surface of the base 3 with screws 8. In this state, for example, as shown in FIG. 2A, the pair of side plates 2 is attached to the base 3 with screws 7. Finally, the sliding portion 1 is attached so as to be held by the side plate 2 and to be adapted to the magnetic flux detection means 5. At this time, when the convex curved surface portion of the upper portion of the sliding portion 1 is not properly matched with the concave semicircular curved surface portion formed at the lower end portion of the magnetic flux detecting means 5, FIG. As shown, the sliding part 1 may be appropriately adjusted by moving it up and down as appropriate. Note that the holding of the sliding portion 1 by the side plate 2 is pushed by the bending portion 1A of the sliding portion 1 being in contact with the inner side of the side plate 2 mainly by the elastic force of the sliding portion 1 itself as described above. It is done by being hit.

本実施形態によれば、摺動部１と側板２とを個別に形成してあることから、摩耗した摺動部１の交換に際しては、例えば側板２を若干拡げて、あるいは摺動部１を若干閉じて、その摩耗した摺動部１だけを、この摺動部１が保持されている側板２から取外し、新たな摺動部１を側板２に保持させればよく、摩耗した摺動部１の交換を容易に行うことができ、この摺動部交換作業を簡単に、手間がかからず短時間で、しかも熟練を要さずに行うことができる。   According to this embodiment, since the sliding portion 1 and the side plate 2 are formed separately, when replacing the worn sliding portion 1, for example, the side plate 2 is slightly expanded or the sliding portion 1 is It is only necessary to close it slightly and remove only the worn sliding portion 1 from the side plate 2 on which the sliding portion 1 is held, and hold the new sliding portion 1 on the side plate 2. 1 can be easily exchanged, and this sliding part exchange operation can be carried out easily, in a short time and without any skill.

また、ガイド部材を構成する側板２によって摺動部１を案内させながら移動させることにより、この摺動部１を磁束検出手段５に容易に正しく取付けることができる。これにより、高い検出精度を確保でき、高い信頼性が得られる。   Further, the sliding portion 1 can be easily and correctly attached to the magnetic flux detecting means 5 by moving the sliding portion 1 while guiding it by the side plate 2 constituting the guide member. Thereby, high detection accuracy can be secured and high reliability can be obtained.

また、磁束検出手段５とコネクタ６とを接続する配線５ａを、永久磁石４及びベース３に形成した空間部９内に挿通させたことから、この配線５ａが磁束検出手段５、永久磁石４、及びベース３等の表面側に露出することがないので、例えば側板２をベース３に取付ける際に、側板２と配線５ａとの干渉を生じることがなく、ベース３への側板２の取付けに際して配線５ａの断線を生じることがない。したがって、磁束検出手段５の交換作業等を、簡単に、手間がかからずに短時間で、容易に行うことができる。   Further, since the wiring 5a connecting the magnetic flux detection means 5 and the connector 6 is inserted into the space 9 formed in the permanent magnet 4 and the base 3, the wiring 5a is connected to the magnetic flux detection means 5, the permanent magnet 4, And, for example, when the side plate 2 is attached to the base 3, there is no interference between the side plate 2 and the wiring 5a, and wiring is performed when the side plate 2 is attached to the base 3. No disconnection of 5a occurs. Therefore, the work of exchanging the magnetic flux detecting means 5 can be easily performed in a short time without any trouble.

また、側板２、及び磁束検出手段５のそれぞれをベース３にビス７等によって取付けたことから、磁束検出手段５の交換が必要になったときには、側板２をベース３に取付けていたビス７、及び磁束検出手段５をベース３に取付けていた図示しないビスをそれぞれゆるめて取り外すことにより、磁束検出手段５をベース３から容易に取外して新しいものに交換することができる。   Further, since each of the side plate 2 and the magnetic flux detecting means 5 is attached to the base 3 with the screws 7 or the like, when the magnetic flux detecting means 5 needs to be replaced, the screws 7 that attached the side plate 2 to the base 3; Also, by loosening and removing the screws (not shown) that attached the magnetic flux detection means 5 to the base 3, the magnetic flux detection means 5 can be easily removed from the base 3 and replaced with a new one.

本発明に係るワイヤーロープ探傷装置の一実施形態を示す図で、（ａ）図は正面図、（ｂ）図は平面図、（ｃ）図は側面図である。It is a figure which shows one Embodiment of the wire rope flaw detector based on this invention, (a) A figure is a front view, (b) A figure is a top view, (c) A figure is a side view. 図１の（ｃ）図に対応する図で、図２の（ａ）図は要部拡大図、（ｂ）図は磁束検出手段に対して摺動部が正しく取り付けられていないときに行われる動作を示す図である。FIG. 2A corresponds to FIG. 1C, FIG. 2A is an enlarged view of the main part, and FIG. 2B is performed when the sliding part is not correctly attached to the magnetic flux detecting means. It is a figure which shows operation | movement. 従来一般に活用されているワイヤーロープ探傷装置の外観構成を示す図である。It is a figure which shows the external appearance structure of the wire rope flaw detector generally utilized conventionally.

符号の説明Explanation of symbols

１ 摺動部
１Ａ 折曲げ部
２ 側板
２ａ 折曲げ部
３ ベース
４ 永久磁石（磁化手段）
５ 磁束検出手段
５ａ 配線
６ コネクタ（出力手段）
７ ビス
８ ビス
９ 空間部 DESCRIPTION OF SYMBOLS 1 Sliding part 1A Bending part 2 Side plate 2a Bending part 3 Base 4 Permanent magnet (magnetization means)
5 Magnetic flux detection means 5a Wiring 6 Connector (output means)
7 screw 8 screw 9 space

Claims (4)

本体を構成するベースと、このベースに取付けられ、複数の鋼線を撚り合せて成るワイヤーロープを磁化させる磁化手段と、前記ベースに取付けられ、前記ワイヤーロープの漏洩磁束を検出する磁束検出手段と、前記ベースに取付けられ、前記磁束検出手段で検出した磁束を出力する出力手段と、前記ワイヤーロープと接触し、このワイヤーロープを案内する摺動部と、この摺動部を保持するとともに、前記磁化手段及び磁束検出手段を覆い、前記ベースに取付けられる一対の側板とを備えたワイヤーロープ探傷装置において、
前記摺動部と前記側板とを個別に形成し、
前記磁束検出手段は、下方部分に凹状半円曲面部を有し、
前記摺動部は、上方部分に前記磁束検出手段の前記凹状半円曲面部に適合する凸状曲面部を有するとともに、両下端部のそれぞれに、互いに外側に向かって延設される折曲げ部を有し、自身の持つ弾性により、外側に向かって下端部が拡開する傾向を有するものから成り、
前記一対の側板は、それぞれの下端部に前記摺動部の折曲げ部の下方に位置し、互いに内側に向かって延設される折曲げ部を有することを特徴とするワイヤーロープ探傷装置。 A base constituting the main body, magnetizing means attached to the base and magnetizing a wire rope formed by twisting a plurality of steel wires, and magnetic flux detecting means attached to the base and detecting leakage magnetic flux of the wire rope; An output means that is attached to the base and outputs the magnetic flux detected by the magnetic flux detection means; a sliding portion that contacts the wire rope and guides the wire rope; and holds the sliding portion; In a wire rope flaw detector provided with a pair of side plates covering the magnetizing means and the magnetic flux detecting means and attached to the base,
Forming the sliding portion and the side plate individually;
The magnetic flux detection means has a concave semicircular curved surface portion in the lower part,
The sliding portion has a convex curved surface portion that fits the concave semicircular curved surface portion of the magnetic flux detecting means in the upper portion, and a bent portion that extends outward from each other at both lower end portions. It has a tendency that the lower end portion expands toward the outside due to its own elasticity,
The pair of side plates has a bent portion that is positioned below the bent portion of the sliding portion at each lower end portion and extends inward from each other. 前記請求項１記載のワイヤーロープ探傷装置において、
前記側板が前記摺動部を案内するガイド部材を構成することを特徴とするワイヤーロープ探傷装置。 In the wire rope flaw detector according to claim 1,
The wire rope flaw detector, wherein the side plate constitutes a guide member for guiding the sliding portion. 前記請求項１記載のワイヤーロープ探傷装置において、
前記磁化手段、及びベースに、前記出力手段と前記磁束検出手段とを接続する配線を挿通させる空間部を形成したことを特徴とするワイヤーロープ探傷装置。 In the wire rope flaw detector according to claim 1,
A wire rope flaw detector characterized in that a space for inserting a wiring connecting the output means and the magnetic flux detection means is formed in the magnetizing means and the base. 前記請求項１〜３のいずれか１項記載のワイヤーロープ探傷装置において、
前記側板、及び前記磁束検出手段のそれぞれを前記ベースにビスによって取付けたことを特徴とするワイヤーロープ探傷装置。 In the wire rope flaw detector according to any one of claims 1 to 3,
Each of the side plate and the magnetic flux detecting means is attached to the base with a screw.
JP2008107749A 2008-04-17 2008-04-17 Wire rope flaw detector Expired - Fee Related JP5147512B2 (en)

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JP7061791B2 (en) * 2018-05-15 2022-05-02 日本ケーブル株式会社 Wire rope flaw detection inspection method
CN109030620B (en) * 2018-08-30 2024-05-03 洛阳泰斯特探伤技术有限公司 Portable wire rope appearance of detecting a flaw

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JPS5644839A (en) * 1979-09-21 1981-04-24 Hitachi Ltd Magnetic defect detecting device for rope
JPS59650A (en) * 1982-06-28 1984-01-05 Hitachi Ltd Electromagnetic flaw detector for wire rope
JPH0518939A (en) * 1991-07-08 1993-01-26 Hitachi Building Syst Eng & Service Co Ltd Magnetic flaw-detection device of wire rope
JPH07198684A (en) * 1993-12-28 1995-08-01 Tokyo Seiko Co Ltd Wire rope damage detector
JPH09210968A (en) * 1996-02-06 1997-08-15 Electron Kiyooto:Kk Damage sensor for wire rope

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