JP2018091188A - Shaft coupling cover and pump device including the same - Google Patents

Shaft coupling cover and pump device including the same Download PDF

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JP2018091188A
JP2018091188A JP2016233816A JP2016233816A JP2018091188A JP 2018091188 A JP2018091188 A JP 2018091188A JP 2016233816 A JP2016233816 A JP 2016233816A JP 2016233816 A JP2016233816 A JP 2016233816A JP 2018091188 A JP2018091188 A JP 2018091188A
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shaft coupling
coupling cover
cover
attachment
pump
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JP6671272B2 (en
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一完 秋元
Ikkan Akimoto
一完 秋元
寛 國井
Hiroshi Kunii
寛 國井
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Hitachi Industrial Equipment Systems Co Ltd
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Hitachi Industrial Equipment Systems Co Ltd
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Abstract

PROBLEM TO BE SOLVED: To solve such the problem that, in the conventional art, a shaft coupling cover for covering a shaft coupling for connecting a spindle of an electric motor to a spindle of a pump body needs to be hermetically sealed and a leg part for supporting the shaft coupling cover is necessary, therefore the number of components becomes large and the number of work man-hours necessary for assembly increases.SOLUTION: A pump device includes: an electric motor; a pump body; a shaft coupling for connecting a spindle of an electric motor to a spindle of a pump body; and a shaft coupling cover for covering the shaft coupling. The shaft coupling cover is constituted of an attachment fixed to a bearing cover of the pump body and a shaft coupling cover body supported to the attachment.SELECTED DRAWING: Figure 1

Description

本発明は、ポンプ装置に係り、特にポンプ本体の主軸とポンプ本体を駆動する電動機の主軸を連結する軸継手のカバーに関する。   The present invention relates to a pump device, and more particularly to a shaft coupling cover that connects a main shaft of a pump main body and a main shaft of an electric motor that drives the pump main body.

ポンプ装置は、ポンプ本体の主軸が軸継手を介して電動機の主軸に連結されることによりポンプ本体が駆動される。主軸及び軸継手は高速回転するため、高速回転中の軸継手が破損した場合に破損物の飛散防止のために軸継手カバーが設けられている。また、軸継手カバーは、人体との接触や異物混入を防ぐために用いられている。   In the pump device, the main body of the pump body is connected to the main shaft of the electric motor via the shaft coupling, so that the pump body is driven. Since the main shaft and the shaft coupling rotate at a high speed, a shaft coupling cover is provided to prevent scattering of damaged objects when the shaft coupling during high-speed rotation is damaged. Moreover, the shaft coupling cover is used for preventing contact with a human body and mixing of foreign substances.

従来の軸継手カバーは、回転方向に対してはカバーで覆うため軸継手が飛散した場合でも破損物を防止することができた。しかし、円周方向に対して覆うように取り付けられてはいるが、スラスト方向に対しては覆われていないため、誤って手等を入れられる構造となっている。また、人体との接触を防ぐため、側面板付カバーを付加した構成もあるが、完全に防いでいるわけではなかった。   Since the conventional shaft coupling cover is covered with the cover in the rotational direction, it is possible to prevent damage even when the shaft coupling is scattered. However, although it is attached so as to cover the circumferential direction, it is not covered in the thrust direction. Moreover, in order to prevent contact with a human body, there is a configuration in which a cover with a side plate is added, but it is not completely prevented.

本技術分野の背景技術として、特開２０１４−１７３６８０号公報（特許文献１）がある。特許文献１には、ガード本体上部とガード本体下部と脚部を有し、軸継手と主軸を覆う軸継手ガードが開示されている。   As a background art in this technical field, there is JP 2014-173680 A (Patent Document 1). Patent Document 1 discloses a shaft joint guard that has a guard main body upper part, a guard main body lower part, and a leg part, and covers the shaft joint and the main shaft.

特開２０１４−１７３６８０号公報JP 2014-173680 A

特許文献１においては、完全密閉形の軸継手ガードとし筒状の軸継手ガードを支えるための脚部が必要なため、部品点数が増加すると共に、組立てにかかる作業工数が増えるという問題がある。   In patent document 1, since the leg part for supporting a cylindrical shaft joint guard as a completely sealed shaft joint guard is required, there is a problem that the number of parts increases and the number of work steps for assembly increases.

本発明の目的は、部品点数を小とし、組立て作業効率や作業性の問題を解決することができる軸継手カバー及びそれを備えるポンプ装置を提供することである。   An object of the present invention is to provide a shaft coupling cover that can reduce the number of parts and solve problems of assembly work efficiency and workability, and a pump device including the same.

本発明は、上記目的を達成するために、その一例を挙げるならば、電動機と、ポンプ本体と、電動機の主軸とポンプ本体の主軸をつなぐ軸継手と、軸継手を覆う軸継手カバーを有するポンプ装置であって、軸継手カバーは、ポンプ本体の軸受カバーに固定されたアタッチメントと、アタッチメントに支持される軸継手カバー本体からなるように構成した。   In order to achieve the above-mentioned object, the present invention is, for example, a pump having an electric motor, a pump main body, a shaft coupling connecting the main shaft of the motor and the main shaft of the pump main body, and a shaft coupling cover covering the shaft coupling. In the apparatus, the shaft coupling cover is configured to include an attachment fixed to the bearing cover of the pump body and a shaft coupling cover body supported by the attachment.

本発明によれば、部品点数を小とし、組立て作業効率や作業性を向上した軸継手カバー及びそれを備えるポンプ装置を提供できる。   ADVANTAGE OF THE INVENTION According to this invention, a shaft coupling cover which reduced the number of parts and improved the assembly work efficiency and workability | operativity, and a pump apparatus provided with the same can be provided.

実施例におけるポンプ装置全体の基本的な構造図である。It is a basic structure figure of the whole pump apparatus in an Example. 実施例における軸継手カバーの正面図と右側面断面図である。It is the front view and right side sectional drawing of the shaft coupling cover in an Example. 実施例における他の構成の軸継手カバーの正面図である。It is a front view of the shaft coupling cover of other composition in an example. 従来のポンプ装置全体の基本的な構造図である。It is a basic structure figure of the whole conventional pump apparatus.

以下、図面を用いて本発明の実施例について説明する。 Embodiments of the present invention will be described below with reference to the drawings.

まず、本発明の前提となる、従来の軸継手カバーを備えたポンプ装置について説明する。   First, the pump apparatus provided with the conventional shaft coupling cover used as the premise of this invention is demonstrated.

図４は、従来の軸継手カバーを備えたポンプ装置の構成図である。図４において、ポンプ装置１００は、電動機２と、ポンプ本体３と、軸継手４と、共通ベース５と、軸継手カバー１で構成される。電動機２およびポンプ本体３は、共通ベース５上に設置され、電動機の主軸６と、ポンプ本体の主軸７とは、電動機２とポンプ本体３の間に設けられた軸継手４によって連結されており、その上を軸継手カバー１が覆っている。また、軸継手カバー１は、それを支持するための脚部８を介して共通ベース５に固定されている。   FIG. 4 is a configuration diagram of a pump device having a conventional shaft coupling cover. In FIG. 4, the pump device 100 includes an electric motor 2, a pump main body 3, a shaft coupling 4, a common base 5, and a shaft coupling cover 1. The electric motor 2 and the pump main body 3 are installed on a common base 5, and the main shaft 6 of the electric motor and the main shaft 7 of the pump main body are connected by a shaft coupling 4 provided between the electric motor 2 and the pump main body 3. The shaft coupling cover 1 covers it. Further, the shaft coupling cover 1 is fixed to the common base 5 via legs 8 for supporting it.

このように、従来は、軸継手カバーを支持するための脚部が必要なため、部品点数が増加すると共に、さらには、点検や整備のために、ポンプ本体と電動機の取り付け及び取り外しを行う際の作業工数が増えるという問題があった。   As described above, conventionally, a leg portion for supporting the shaft coupling cover is required, so that the number of parts is increased, and furthermore, when the pump body and the motor are attached and removed for inspection and maintenance. There was a problem that the number of work man-hours increased.

そこで、これを解決するために、軸継手カバーを支持するための脚部を不要とし、部品点数を小とし、組立て作業効率や作業性の問題を解決することができる軸継手カバー及びそれを備えるポンプ装置について、以下本実施例を説明する。   Therefore, in order to solve this problem, there is provided a shaft coupling cover that eliminates the need for legs for supporting the shaft coupling cover, reduces the number of parts, and solves problems in assembly work efficiency and workability, and the same. This embodiment will be described below for the pump device.

図１は、本実施例における軸継手カバーを備えたポンプ装置の構成図である。図１において、図４と同様の機能を有する構成については同じ符号を付し、その説明は省略する。図１において、１０は本実施例における軸継手カバーであって、軸継手カバー１０は軸受カバー１１によって支持されている。   FIG. 1 is a configuration diagram of a pump device including a shaft coupling cover in the present embodiment. 1, components having the same functions as those in FIG. 4 are given the same reference numerals, and descriptions thereof are omitted. In FIG. 1, reference numeral 10 denotes a shaft coupling cover in the present embodiment, and the shaft coupling cover 10 is supported by a bearing cover 11.

図２に、本実施例における軸継手カバー１０のポンプ本体側から見た正面図（Ａ）と、その右側面から見たＣ-Ｃでの断面図（Ｂ）を示す。図２に示すように、軸継手カバー１０は軸継手カバー本体１２とアタッチメント１３から構成されており、ポンプ本体３の軸受カバー１１にアタッチメント１３を締結することで、軸継手カバー１０を支持する。すなわち、軸受カバー１１にアタッチメント１３を介して軸継手カバー本体１２が固定される。軸継手カバー本体１２は、軸継手と主軸を周方向及び電動機側へスラスト方向に向かって形成される筒状のカバーである。   FIG. 2 shows a front view (A) of the shaft coupling cover 10 according to the present embodiment as viewed from the pump body side, and a cross-sectional view taken along the line CC as viewed from the right side thereof. As shown in FIG. 2, the shaft coupling cover 10 includes a shaft coupling cover body 12 and an attachment 13, and the shaft coupling cover 10 is supported by fastening the attachment 13 to the bearing cover 11 of the pump body 3. That is, the shaft coupling cover main body 12 is fixed to the bearing cover 11 via the attachment 13. The shaft coupling cover main body 12 is a cylindrical cover that is formed with the shaft coupling and the main shaft in the circumferential direction and toward the motor in the thrust direction.

アタッチメント１３及び軸継手カバー本体１２はそれぞれの形状に合わせて形成している。本実施例では、その形状は、円筒状の形状よりも製作面において有利な多角形状にすることで製作性をよくするため折り曲げ方式を採用する。なお、本実施例は、それに限定されるものではなく、円筒状でもよい。また、図２では６角形状として例示したが、図３に示すような４角形状や８角形状等の多角形でもよい。   The attachment 13 and the shaft coupling cover main body 12 are formed in accordance with each shape. In the present embodiment, the bending method is adopted in order to improve the manufacturability by making the shape into a polygonal shape that is more advantageous in terms of production than the cylindrical shape. In addition, a present Example is not limited to it, A cylindrical shape may be sufficient. Moreover, although illustrated as a hexagonal shape in FIG. 2, polygons, such as a quadrangular shape and an octagonal shape as shown in FIG. 3, may be sufficient.

また、ポンプ本体の主軸を軸継手を介して電動機の主軸に連結したポンプ装置組立後でも軸継手カバー１０を取付けられるように、アタッチメント１３を分割構造とすることで、さらに、作業性が向上する。また、アタッチメント１３を上側部分と下側部分の２分割構造とすることで、さらに、作業性を向上できる。なお、軸継手カバー本体１２も、同様に分割構造としてもよい。   Moreover, workability is further improved by making the attachment 13 a split structure so that the shaft joint cover 10 can be attached even after the pump device is assembled after the main shaft of the pump body is connected to the main shaft of the electric motor via the shaft joint. . Moreover, workability | operativity can further be improved by making the attachment 13 into the 2 division structure of an upper part and a lower part. The shaft coupling cover main body 12 may be similarly divided.

また、図２（Ａ）に示すように、アタッチメント１３の軸受カバー１１への取り付け箇所１４は軸受カバーに３箇所でボルト締め等で締結し固定する。なお、本実施例は、３箇所に限定されるものではない。   Further, as shown in FIG. 2A, attachment points 14 of the attachment 13 to the bearing cover 11 are fastened and fixed to the bearing cover by bolting or the like at three points. In addition, a present Example is not limited to three places.

また、図２（Ｂ）に示すように、アタッチメント１３と軸継手カバー本体１２との固定は、アタッチメント１３の電動機側に延びる締結部１５に筒状の軸継手カバー本体１２をボルト締め等で締結することで行う。   Further, as shown in FIG. 2B, the attachment 13 and the shaft coupling cover body 12 are fixed by fastening the cylindrical shaft coupling cover body 12 to the fastening portion 15 extending to the motor side of the attachment 13 by bolting or the like. To do.

なお、筒状の軸継手カバー本体１２のアタッチメント１３との締結箇所ではない反対側の端部は電動機側に固定されずオープンの状態とする。この理由は、ポンプ装置に用いる電動機として汎用の電動機を用い、電動機側の特殊な構成を不要にするためである。なお、この場合、軸継手カバー１０は、ポンプ本体３の軸受カバー１１に支持される片持ち支持構造となり、振動の影響が懸念されるが、緩衝材を介して支持する等の対応で対処可能である。また、電動機と軸継手カバー本体１２の端部との隙間は手をいれることができないような間隔とする。   Note that the end of the cylindrical shaft coupling cover main body 12 that is not the fastening portion with the attachment 13 is not fixed to the motor side and is in an open state. This is because a general-purpose electric motor is used as the electric motor used in the pump device, and a special configuration on the electric motor side is unnecessary. In this case, the shaft coupling cover 10 has a cantilevered support structure that is supported by the bearing cover 11 of the pump body 3, and there is a concern about the influence of vibration, but it can be dealt with by measures such as support through a cushioning material. It is. In addition, the gap between the electric motor and the end of the shaft coupling cover main body 12 is set such that the hand cannot be touched.

また、軸継手を目視確認するためには、軸継手カバー１０を取り外さなければならないが、軸継手カバー本体１２の多角形状の一部の面を点検口付にすれば軸継手カバー１０を分解する作業を必要とせずに目視確認を行うことができる。また、軸継手カバー１０を構成するアタッチメント１３及び軸継手カバー本体１２にパンチング穴を設けることで、内部の回転部分が目視できるようにしてもよい。   Further, in order to visually confirm the shaft coupling, the shaft coupling cover 10 must be removed. However, if a part of the polygonal shape of the shaft coupling cover body 12 is provided with an inspection port, the shaft coupling cover 10 is disassembled. Visual confirmation can be performed without the need for work. Further, by providing a punching hole in the attachment 13 and the shaft coupling cover main body 12 constituting the shaft coupling cover 10, the internal rotating portion may be visible.

以上のように、本実施例における軸継手カバーは、軸受カバーから主軸部を覆う形状になっているため、主軸部に人体が接触することはない。また、軸受カバーに軸継手カバーを取り付けることにより、従来の軸継手カバーを支持するための脚部を必要としない。脚部を必要としないことで、電動機の大きさ、特に主軸の高さ位置に合わせて脚部を調整する必要がない。   As described above, the shaft coupling cover in the present embodiment has a shape that covers the main shaft portion from the bearing cover, so that the human body does not contact the main shaft portion. Moreover, the leg part for supporting the conventional shaft coupling cover is not required by attaching the shaft coupling cover to the bearing cover. By not requiring a leg part, it is not necessary to adjust a leg part according to the magnitude | size of an electric motor, especially the height position of a main axis | shaft.

なお、軸継手カバーの大きさは、電動機の主軸の大きさにより軸継手の大きさによって変わる。しかし、軸継手カバーの大きさを、軸継手の大きさよりも余裕を待った大きさとすることで、個々の電動機に合わせた軸継手カバーを不要とし、部品の共用化を図ることが出来る。   Note that the size of the shaft coupling cover varies depending on the size of the shaft coupling depending on the size of the main shaft of the electric motor. However, by setting the size of the shaft coupling cover to a size that allows for a margin more than the size of the shaft coupling, a shaft coupling cover suitable for each electric motor is not required, and parts can be shared.

以上のように、本実施例によれば、部品点数を小とし、取り付け及び取り外しが容易であり、締結箇所も減るため、組立て作業効率や作業性を向上した軸継手カバー及びそれを備えるポンプ装置を提供できる。   As described above, according to the present embodiment, the number of parts is reduced, attachment and removal are easy, and the number of fastening points is reduced. Therefore, the shaft coupling cover with improved assembly work efficiency and workability and the pump device including the same Can provide.

以上実施例について説明したが、本発明は上記した実施例に限定されるものではなく、様々な変形例が含まれる。例えば、上記した実施例は本発明を分かりやすく説明するために詳細に説明したものであり、必ずしも説明した全ての構成を備えるものに限定されるものではない。   Although the embodiments have been described above, the present invention is not limited to the above-described embodiments, and includes various modifications. For example, the above-described embodiments have been described in detail for easy understanding of the present invention, and are not necessarily limited to those having all the configurations described.

１、１０：軸継手カバー、２：電動機、３：ポンプ本体、４：軸継手、５：共通ベース、６：電動機の主軸、７：ポンプ本体の主軸、８：脚部、１１：軸受カバー、１２：軸継手カバー本体、１３：アタッチメント、１４：取り付け箇所、１５：締結部、１００：ポンプ装置 1, 10: Shaft coupling cover, 2: Electric motor, 3: Pump body, 4: Shaft coupling, 5: Common base, 6: Main shaft of motor, 7: Main shaft of pump body, 8: Leg, 11: Bearing cover, 12: Shaft coupling cover main body, 13: Attachment, 14: Installation location, 15: Fastening part, 100: Pump device

Claims (12)

電動機と、ポンプ本体と、前記電動機の主軸と前記ポンプ本体の主軸をつなぐ軸継手と、該軸継手を覆う軸継手カバーを有するポンプ装置であって、
前記軸継手カバーは、前記ポンプ本体の軸受カバーに固定されたアタッチメントと、該アタッチメントに支持される軸継手カバー本体からなることを特徴とするポンプ装置。 A pump device having an electric motor, a pump body, a shaft coupling connecting the main shaft of the motor and the main shaft of the pump body, and a shaft coupling cover covering the shaft coupling;
The shaft coupling cover includes an attachment fixed to a bearing cover of the pump body, and a shaft coupling cover body supported by the attachment. 請求項１に記載のポンプ装置であって、
前記アタッチメントは分割構造であることを特徴とするポンプ装置。 The pump device according to claim 1,
The pump device according to claim 1, wherein the attachment has a divided structure. 請求項１に記載のポンプ装置であって、
前記アタッチメントは上側部分と下側部分の２分割構造であることを特徴とするポンプ装置。 The pump device according to claim 1,
The said attachment is a pump apparatus characterized by the two-part structure of an upper part and a lower part. 請求項１に記載のポンプ装置であって、
前記軸継手カバー本体は分割構造であることを特徴とするポンプ装置。 The pump device according to claim 1,
The pump device according to claim 1, wherein the shaft coupling cover body has a split structure. 請求項１に記載のポンプ装置であって、
前記軸継手カバー本体は上側部分と下側部分の２分割構造であることを特徴とするポンプ装置。 The pump device according to claim 1,
2. The pump device according to claim 1, wherein the shaft coupling cover body has a two-part structure of an upper part and a lower part. 請求項１から５の何れか１項に記載のポンプ装置であって、
前記軸継手カバー本体を支持する前記アタッチメントは前記電動機側に延びる締結部を有し、該締結部で前記アタッチメントと前記軸継手カバー本体を締結することで前記軸継手カバーは前記ポンプ本体に支持されることを特徴とするポンプ装置。 The pump device according to any one of claims 1 to 5,
The attachment that supports the shaft coupling cover body has a fastening portion that extends toward the electric motor, and the shaft coupling cover is supported by the pump body by fastening the attachment and the shaft coupling cover body at the fastening portion. A pump device characterized by that. 電動機の主軸とポンプ本体の主軸をつなぐ軸継手を覆う軸継手カバーであって、
前記ポンプ本体の軸受カバーに固定されたアタッチメントと、該アタッチメントに支持される軸継手カバー本体からなることを特徴とする軸継手カバー。 A shaft coupling cover that covers the shaft coupling that connects the main shaft of the electric motor and the main shaft of the pump body,
A shaft coupling cover comprising: an attachment fixed to a bearing cover of the pump body; and a shaft coupling cover body supported by the attachment. 請求項７に記載の軸継手カバーであって、
前記アタッチメントは分割構造であることを特徴とする軸継手カバー。 The shaft coupling cover according to claim 7,
The shaft coupling cover according to claim 1, wherein the attachment has a split structure. 請求項７に記載の軸継手カバーであって、
前記アタッチメントは上側部分と下側部分の２分割構造であることを特徴とする軸継手カバー。 The shaft coupling cover according to claim 7,
The shaft attachment cover according to claim 1, wherein the attachment has a two-part structure of an upper part and a lower part. 請求項７に記載の軸継手カバーであって、
前記軸継手カバー本体は分割構造であることを特徴とする軸継手カバー。 The shaft coupling cover according to claim 7,
The shaft coupling cover body has a split structure. 請求項７に記載の軸継手カバーであって、
前記軸継手カバー本体は上側部分と下側部分の２分割構造であることを特徴とする軸継手カバー。 The shaft coupling cover according to claim 7,
The shaft coupling cover main body has a two-part structure of an upper part and a lower part. 請求項７から１１の何れか１項に記載の軸継手カバーであって、
前記軸継手カバー本体を支持する前記アタッチメントは前記電動機側に延びる締結部を有し、該締結部で前記アタッチメントと前記軸継手カバー本体を締結することで前記軸継手カバーは前記ポンプ本体に支持されることを特徴とする軸継手カバー。 The shaft coupling cover according to any one of claims 7 to 11,
The attachment that supports the shaft coupling cover body has a fastening portion that extends toward the electric motor, and the shaft coupling cover is supported by the pump body by fastening the attachment and the shaft coupling cover body at the fastening portion. A shaft coupling cover.
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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2019086122A (en) * 2017-11-09 2019-06-06 株式会社荏原製作所 Bearing cover, coupling guard and machinery
CN110886718A (en) * 2018-09-10 2020-03-17 威乐(中国)水泵***有限公司 Coupling guard shield
JP2020079620A (en) * 2018-11-13 2020-05-28 株式会社荏原製作所 Coupling guard, and rotary machine device
JP2023005436A (en) * 2021-06-29 2023-01-18 Ｊｆｅスチール株式会社 Safety cover for pump shaft
JP7470615B2 (en) 2020-10-29 2024-04-18 株式会社酉島製作所 Shaft coupling cover and pump device equipped with same

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5391405A (en) * 1977-01-21 1978-08-11 Naniwa Pump Seisakusho:Kk Pump apparatus
JPS56118996U (en) * 1980-02-12 1981-09-10
JP2014074456A (en) * 2012-10-04 2014-04-24 Ebara Corp Rotary machine system, and shaft coupling guard

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5391405A (en) * 1977-01-21 1978-08-11 Naniwa Pump Seisakusho:Kk Pump apparatus
JPS56118996U (en) * 1980-02-12 1981-09-10
JP2014074456A (en) * 2012-10-04 2014-04-24 Ebara Corp Rotary machine system, and shaft coupling guard

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2019086122A (en) * 2017-11-09 2019-06-06 株式会社荏原製作所 Bearing cover, coupling guard and machinery
CN110886718A (en) * 2018-09-10 2020-03-17 威乐(中国)水泵***有限公司 Coupling guard shield
JP2020079620A (en) * 2018-11-13 2020-05-28 株式会社荏原製作所 Coupling guard, and rotary machine device
JP7470615B2 (en) 2020-10-29 2024-04-18 株式会社酉島製作所 Shaft coupling cover and pump device equipped with same
JP2023005436A (en) * 2021-06-29 2023-01-18 Ｊｆｅスチール株式会社 Safety cover for pump shaft

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