JP6814464B2

JP6814464B2 - Vibration durability test jig for hose assembly

Info

Publication number: JP6814464B2
Application number: JP2016243083A
Authority: JP
Inventors: 法和隅田
Original assignee: Nichirin Co Ltd
Current assignee: Nichirin Co Ltd
Priority date: 2016-12-15
Filing date: 2016-12-15
Publication date: 2021-01-20
Anticipated expiration: 2036-12-15
Also published as: JP2018096897A

Description

本発明は、ホースアセンブリの振動耐久試験用治具に関する。 The present invention relates to a jig for vibration durability test of a hose assembly.

近年、自動車等の車体の軽量化を目的として、車両用エアコン回路の配管にはアルミニウム合金製の配管が使用されているが、エンジンや圧縮機等で発生する振動が配管を共振させることによって生じる騒音が問題となっている。そこで、配管の共振を抑制するために、ゴムと樹脂とからなる複合ホースが前記配管の途中に組み込まれて使用されているが、最近は、普通自動車において搭乗者に不快感を与えないよう、特に、車両騒音を抑制した静粛性に優れる複合ホースが求められている。 In recent years, aluminum alloy piping has been used for the piping of vehicle air conditioner circuits for the purpose of reducing the weight of the vehicle body of automobiles, etc., but vibration generated by the engine, compressor, etc. is generated by resonating the piping. Noise is a problem. Therefore, in order to suppress the resonance of the pipe, a composite hose made of rubber and resin is incorporated in the middle of the pipe and used. Recently, in an ordinary automobile, the passenger is not discomforted. In particular, there is a demand for a composite hose that suppresses vehicle noise and is excellent in quietness.

これを解決する手段として、ホース断面が、複数のゴム層とこの複数のゴム層間に介在する補強層とで構成される内径１４ｍｍ以上の車両用エアコンホースにおいて、このホースを所定長３６０ｍｍに切断して試験用ホースとし、前記試験ホースの一端側を加振側に他端側を受振側に固定して試験用ホースの自由長を３３０ｍｍとなし、前記加振側を周波数４０Ｈｚ以上の範囲において加速度３Ｇで加振した際、振動伝達特性Ｇｎ［ｄＢ］〔＝２０Ｌｏｇ₁₀（Ａ１／Ａ０）〕の第１ピーク値が、−２３〜−２７ｄＢの範囲となるように構成された車両用エアコンホースが開示されている（たとえば、特許文献１参照）。 As a means for solving this, in a vehicle air conditioner hose having an inner diameter of 14 mm or more composed of a plurality of rubber layers and a reinforcing layer interposed between the plurality of rubber layers, the hose is cut to a predetermined length of 360 mm. The test hose is used as a test hose. One end side of the test hose is fixed to the vibration side and the other end side is fixed to the vibration receiving side so that the free length of the test hose is 330 mm, and the vibration side is accelerated in a frequency range of 40 Hz or higher. A vehicle air conditioner hose configured so that the first peak value of the vibration transmission characteristic Gn [dB] [= 20 Log ₁₀ (A1 / A0)] is in the range of -23 to -27 dB when vibrated at 3 G. It is disclosed (see, for example, Patent Document 1).

また、上記特許文献１に開示されたような車両用エアコンホースの両端に、相手部材に接続するための口金具が接合されてなるホースアセンブリも開示されている（たとえば、特許文献２参照）。 Further, there is also disclosed a hose assembly in which mouth fittings for connecting to a mating member are joined to both ends of a vehicle air conditioner hose as disclosed in Patent Document 1 (see, for example, Patent Document 2).

そして、上記特許文献２に開示されたようなホースアセンブリの振動耐久試験を実施するにあたっては、従来から、多数の汎用治具の組み合わせによる振動耐久試験用治具が用いられている。 Then, in carrying out the vibration durability test of the hose assembly as disclosed in Patent Document 2, a jig for vibration durability test by combining a large number of general-purpose jigs has been conventionally used.

特開２００８−１０１７０９号公報Japanese Unexamined Patent Publication No. 2008-101709 特開２００８−２８６３６５号公報Japanese Unexamined Patent Publication No. 2008-286365

上述したような、従来から用いられている振動耐久試験用治具では、汎用性を持たせるために、ホースアセンブリ毎に、多数の汎用治具を調整しながら一から組み上げていた。 In the vibration durability test jigs conventionally used as described above, in order to have versatility, a large number of general-purpose jigs are adjusted and assembled from scratch for each hose assembly.

しかし、多数の汎用治具の個々の剛性は、必ずしも十分ではないため、振動耐久試験機が発生する振動と組み上げた振動耐久試験用治具の振動との間に、位相ズレが発生することがあった。 However, since the individual rigidity of many general-purpose jigs is not always sufficient, a phase shift may occur between the vibration generated by the vibration durability tester and the vibration of the assembled vibration durability test jig. there were.

また、多数の汎用治具を組み上げた振動耐久試験用治具の重心が、振動耐久試験機において、所定の加速度にて加振する方向（すなわち、試験する一軸方向）に対して、ずれていることに起因した他軸方向への基準レベル以上の加速度が発生する問題があった。このような場合は、前記多数の汎用治具を組み上げ直したり追加したりして、多くの時間を費やしながら、他軸方向への加速度が基準レベル以下となるまで調整し抑制しなければならないといった問題点があった。 Further, the center of gravity of the vibration endurance test jig in which a large number of general-purpose jigs are assembled is deviated from the direction of vibration at a predetermined acceleration (that is, the uniaxial direction to be tested) in the vibration endurance tester. As a result, there is a problem that acceleration above the reference level in the other axial direction is generated. In such a case, it is necessary to reassemble or add the large number of general-purpose jigs, spend a lot of time, and adjust and suppress the acceleration in the other axial direction until it falls below the reference level. There was a problem.

さらに、以上のような調整は、ホースアセンブリの振動耐久試験を実施する三軸それぞれの方向毎、および、種類の異なるホースアセンブリ毎に行わなければならないといった問題点もあった。 Further, there is a problem that the above adjustment must be performed for each direction of each of the three axes for which the vibration durability test of the hose assembly is carried out, and for each different type of hose assembly.

本発明の目的は、振動耐久試験機が発生する振動に対して位相ズレが発生することがなく、かつ、容易に他軸方向への加速度を基準レベル以下に抑制することが可能な、ホースアセンブリの振動耐久試験用治具を提供することにある。 An object of the present invention is a hose assembly that does not cause a phase shift with respect to vibration generated by a vibration endurance tester and can easily suppress acceleration in the other axial direction to a reference level or less. To provide a jig for vibration durability test.

この目的を達成するために、第１発明に係るホースアセンブリの振動耐久試験用治具は、
ホースと、このホースの一端側に接合された所定形状の口金具と、を有したホースアセンブリの振動耐久試験を行うための振動耐久試験用治具であって、
前記口金具の先端側が取り付けられる所定の取付部を有した所定の剛性の専用治具と、
前記ホースアセンブリの製品配置状態をＸ−Ｙ−Ｚの直交三軸で表した場合の何れか一軸方向に振動耐久試験機で加振可能なように、前記専用治具が固定され、かつ、前記振動耐久試験機に固定される所定の剛性を有したベース治具と、
を備え、
前記専用治具が前記ベース治具に固定された状態で所定の剛性を有し、かつ、前記専用治具が前記ベース治具に固定された状態の合成重心のバランスが、所定の重心調整手段によって予め前記一軸方向に調整された構成であることを特徴とする。 In order to achieve this object, the jig for vibration durability test of the hose assembly according to the first invention is
A jig for vibration durability test for performing a vibration durability test of a hose assembly having a hose and a mouthpiece having a predetermined shape joined to one end side of the hose.
A special jig with a predetermined rigidity having a predetermined mounting portion to which the tip end side of the mouthpiece is mounted, and
The dedicated jig is fixed and the hose assembly is fixed so that the hose assembly can be vibrated in any one axis direction when the product arrangement state is represented by three orthogonal axes of XYZ. A base jig with a predetermined rigidity fixed to the vibration durability tester,
With
The balance of the combined center of gravity in a state where the dedicated jig is fixed to the base jig and has a predetermined rigidity and the dedicated jig is fixed to the base jig is a predetermined center of gravity adjusting means. The configuration is characterized in that the configuration is adjusted in advance in the uniaxial direction.

また、第２発明に係るホースアセンブリの振動耐久試験用治具は、第１発明に係るホースアセンブリの振動耐久試験用治具において、前記ホースアセンブリを前記一軸方向とは異なる選択された直交軸方向に振動耐久試験を行う場合は、前記所定の取付部に前記口金具の先端側が取り付けられた状態のままの前記専用治具の前記一軸方向と前記選択された直交軸方向で作られる面の前記一軸方向とが、前記選択された直交軸方向と反対向きの軸方向に９０度回転された状態で、前記ベース治具に固定された構成であることを特徴とする。 Further, the jig for the vibration durability test of the hose assembly according to the second invention is the jig for the vibration durability test of the hose assembly according to the first invention, in which the hose assembly is set in a selected orthogonal axis direction different from the uniaxial direction. When the vibration durability test is performed on the surface, the surface formed in the uniaxial direction and the selected orthogonal axial direction of the dedicated jig with the tip end side of the mouthpiece attached to the predetermined mounting portion is described. It is characterized in that the uniaxial direction is fixed to the base jig in a state of being rotated 90 degrees in the axial direction opposite to the selected orthogonal axial direction.

また、第３発明に係るホースアセンブリの振動耐久試験用治具は、第１発明に係るホースアセンブリの振動耐久試験用治具において、前記ベース治具の前記振動耐久試験機に取り付けられる側の面の中心を通る前記面の直交する２本の対称軸線上には、支持される部分がそれぞれ設けられ、前記合成重心の前記一軸方向からのそれぞれのズレ量を、前記専用治具が固定された前記ベース治具と前記支持される部分とを有したヤジロベエの動きとして、それぞれ検出可能なように構成されていることを特徴とする。 Further, the jig for vibration endurance test of the hose assembly according to the third invention is the surface of the base jig attached to the vibration endurance tester in the jig for vibration endurance test of the hose assembly according to the first invention. A supported portion is provided on each of the two orthogonal axis of symmetry of the surface passing through the center of the above, and the dedicated jig is fixed to the amount of deviation of the synthetic center of gravity from the uniaxial direction. The movement of the Yajirobee having the base jig and the supported portion is characterized in that it is configured to be detectable.

また、第４発明に係るホースアセンブリの振動耐久試験用治具は、第３発明に係るホースアセンブリの振動耐久試験用治具において、前記支持される部分は、それぞれ前記ベース治具の前記面上に彫られた断面がＶ字またはＵ字形状の溝であることを特徴とする。 Further, the jig for vibration durability test of the hose assembly according to the fourth invention is the jig for vibration durability test of the hose assembly according to the third invention, and the supported portions are respectively on the surface of the base jig. The cross section carved in is a V-shaped or U-shaped groove.

また、第５発明に係るホースアセンブリの振動耐久試験用治具は、第３または第４発明に係るホースアセンブリの振動耐久試験用治具において、前記ズレ量をゼロにするための重りが、前記専用治具および前記ベース治具の少なくとも何れかに設置されていることを特徴とする。 Further, in the jig for vibration durability test of the hose assembly according to the fifth invention, the weight for making the deviation amount zero in the jig for vibration durability test of the hose assembly according to the third or fourth invention is described above. It is characterized in that it is installed in at least one of a dedicated jig and the base jig.

また、第６発明に係るホースアセンブリの振動耐久試験用治具は、第２発明に係るホースアセンブリの振動耐久試験用治具において、前記専用治具の両端に前記専用治具と直交関係が確保され所定の剛性を有した支持治具が設けられ、これらの支持治具を介して前記専用治具が前記ベース治具に固定されていることを特徴とする。 Further, the jig for the vibration durability test of the hose assembly according to the sixth invention is the jig for the vibration durability test of the hose assembly according to the second invention, and the orthogonal relationship with the dedicated jig is secured at both ends of the dedicated jig. A support jig having a predetermined rigidity is provided, and the dedicated jig is fixed to the base jig via these support jigs.

以上のように、本発明は、
ホースと、このホースの一端側に接合された所定形状の口金具と、を有したホースアセンブリの振動耐久試験を行うための振動耐久試験用治具であって、
前記口金具の先端側が取り付けられる所定の取付部を有した所定の剛性の専用治具と、
前記ホースアセンブリの製品配置状態をＸ−Ｙ−Ｚの直交三軸で表した場合の何れか一軸方向に振動耐久試験機で加振可能なように、前記専用治具が固定され、かつ、前記振動耐久試験機に固定される所定の剛性を有したベース治具と、
を備え、
前記専用治具が前記ベース治具に固定された状態で所定の剛性を有し、かつ、前記専用治具が前記ベース治具に固定された状態の合成重心のバランスが、所定の重心調整手段によって予め前記一軸方向に調整された構成であることを特徴とする。 As described above, the present invention
A jig for vibration durability test for performing a vibration durability test of a hose assembly having a hose and a mouthpiece having a predetermined shape joined to one end side of the hose.
A special jig with a predetermined rigidity having a predetermined mounting portion to which the tip end side of the mouthpiece is mounted, and
The dedicated jig is fixed and the hose assembly is fixed so that the hose assembly can be vibrated in any one axis direction when the product arrangement state is represented by three orthogonal axes of XYZ. A base jig with a predetermined rigidity fixed to the vibration durability tester,
With
The balance of the combined center of gravity in a state where the dedicated jig is fixed to the base jig and has a predetermined rigidity and the dedicated jig is fixed to the base jig is a predetermined center of gravity adjusting means. The configuration is characterized in that the configuration is adjusted in advance in the uniaxial direction.

したがって、所定（すなわち、種類の異なるホースアセンブリ毎に固有）の取付部を有した専用治具が、ベース治具に固定された状態（すなわち、ホースアセンブリの振動耐久試験用治具の状態）で、所定の剛性を有した構成であるため、振動耐久試験機が発生する特定の振動と前記ホースアセンブリの振動耐久試験用治具の振動との間に、位相ズレが発生することがない。 Therefore, a dedicated jig having a predetermined (that is, unique to each different type of hose assembly) mounting portion is fixed to the base jig (that is, the state of the vibration durability test jig of the hose assembly). Since the configuration has a predetermined rigidity, a phase shift does not occur between the specific vibration generated by the vibration durability tester and the vibration of the vibration durability test jig of the hose assembly.

また、前記専用治具が前記ベース治具に固定された状態の合成重心のバランスが、所定の（すなわち、重心調整の作業に要する時間が短く、かつ、汎用性がある）重心調整手段によって予め前記一軸方向に調整された構成であるため、他軸方向への加速度を容易に基準レベル以下に抑制することが可能な、前記ホースアセンブリの振動耐久試験用治具を実現できるという作用効果を奏する。 Further, the balance of the combined center of gravity in the state where the dedicated jig is fixed to the base jig is determined in advance by a predetermined (that is, the time required for the center of gravity adjustment work is short and versatile) center of gravity adjusting means. Since the configuration is adjusted in the uniaxial direction, it is possible to realize a jig for vibration durability test of the hose assembly, which can easily suppress the acceleration in the other axial direction to the reference level or less. ..

本発明に係る振動耐久試験用治具にホースアセンブリが取り付けられるとともに、Ｚ軸方向に振動耐久試験が可能なように振動耐久試験機にも取り付けられた全体状態を説明するための斜視図である。It is a perspective view for demonstrating the whole state which attached to the vibration endurance test jig which concerns on this invention, and also attached to the vibration endurance tester so that the vibration endurance test can be performed in the Z-axis direction. .. 図１に示すホースアセンブリが取り付けられた振動耐久試験用治具を構成する専用治具をＸ軸方向と反対向きの軸方向から見た拡大正面図である。FIG. 5 is an enlarged front view of a dedicated jig constituting a vibration durability test jig to which the hose assembly shown in FIG. 1 is attached, as viewed from an axial direction opposite to the X-axis direction. 本発明に係る重心調整手段としての支持する部分を説明するための斜視図である。It is a perspective view for demonstrating the supporting part as the center of gravity adjusting means which concerns on this invention. 本発明に係る重心調整手段の原理を説明するための斜視図である。It is a perspective view for demonstrating the principle of the center of gravity adjusting means which concerns on this invention. 図２に示すホースアセンブリが取り付けられた専用治具を用いて、Ｘ軸方向に振動耐久試験を行うための配置を説明するための拡大正面図である。It is an enlarged front view for demonstrating the arrangement for performing a vibration endurance test in the X-axis direction using the special jig to which the hose assembly shown in FIG. 2 is attached. 図２に示すホースアセンブリが取り付けられた専用治具を用いて、Ｙ軸方向に振動耐久試験を行うための配置を説明するための拡大正面図である。It is an enlarged front view for demonstrating the arrangement for performing a vibration endurance test in the Y-axis direction using the special jig to which the hose assembly shown in FIG. 2 is attached.

本発明者は、如何にすれば、振動耐久試験機が発生する振動に対して位相ズレが発生することがなく、かつ、容易に他軸方向への加速度を基準レベル以下に抑制することが可能な、ホースアセンブリの振動耐久試験用治具を提供することができるのか鋭意研究を行った。その結果、以下に説明するような構成を採用することで、初めて目的を達成できることを見出した。 The present inventor can easily suppress the acceleration in the other axial direction to the reference level or less without causing a phase shift with respect to the vibration generated by the vibration endurance tester. We have been diligently researching whether we can provide a jig for vibration durability test of hose assembly. As a result, it was found that the purpose can be achieved for the first time by adopting the configuration described below.

（本発明のホースアセンブリの振動耐久試験用治具）
すなわち、本発明のホースアセンブリの振動耐久試験用治具は、
ホースと、このホースの一端側に接合された所定形状の口金具と、を有したホースアセンブリの振動耐久試験を行うための振動耐久試験用治具であって、
前記口金具の先端側が取り付けられる所定の取付部を有した所定の剛性の専用治具と、
前記ホースアセンブリの製品配置状態をＸ−Ｙ−Ｚの直交三軸で表した場合の何れか一軸方向に振動耐久試験機で加振可能なように、前記専用治具が固定され、かつ、前記振動耐久試験機に固定される所定の剛性を有したベース治具と、
を備え、
前記専用治具が前記ベース治具に固定された状態で所定の剛性を有し、かつ、前記専用治具が前記ベース治具に固定された状態の合成重心のバランスが、所定の重心調整手段によって予め前記一軸方向に調整された構成を採用する。 (Jig for vibration durability test of hose assembly of the present invention)
That is, the jig for vibration durability test of the hose assembly of the present invention is
A jig for vibration durability test for performing a vibration durability test of a hose assembly having a hose and a mouthpiece having a predetermined shape joined to one end side of the hose.
A special jig with a predetermined rigidity having a predetermined mounting portion to which the tip end side of the mouthpiece is mounted, and
The dedicated jig is fixed and the hose assembly is fixed so that the hose assembly can be vibrated in any one axis direction when the product arrangement state is represented by three orthogonal axes of XYZ. A base jig with a predetermined rigidity fixed to the vibration durability tester,
With
The balance of the combined center of gravity in a state where the dedicated jig is fixed to the base jig and has a predetermined rigidity and the dedicated jig is fixed to the base jig is a predetermined center of gravity adjusting means. The configuration adjusted in advance in the uniaxial direction is adopted.

（実施形態１）
図１は、本発明の実施形態１の振動耐久試験用治具にホースアセンブリが取り付けられるとともに、Ｚ軸方向に振動耐久試験が可能なように、振動耐久試験機にも取り付けられた全体状態を説明するための斜視図、図２は、図１に示すホースアセンブリが取り付けられた振動耐久試験用治具を構成する専用治具を、Ｘ軸方向と反対向きの軸方向から見た拡大正面図、図３は、本発明に係る重心調整手段としての支持する部分を説明するための斜視図、図４は、本発明に係る重心調整手段の原理を説明するための斜視図である。 (Embodiment 1)
FIG. 1 shows the overall state in which the hose assembly is attached to the vibration endurance test jig of the first embodiment of the present invention and is also attached to the vibration endurance tester so that the vibration endurance test can be performed in the Z-axis direction. 2 is an enlarged front view of a dedicated jig constituting a vibration endurance test jig to which the hose assembly shown in FIG. 1 is attached, as viewed from an axial direction opposite to the X-axis direction. , FIG. 3 is a perspective view for explaining a supporting portion as the center of gravity adjusting means according to the present invention, and FIG. 4 is a perspective view for explaining the principle of the center of gravity adjusting means according to the present invention.

図１および図２において、１はホースアセンブリ、１ａは例えば、樹脂−ゴム複合ホース、１ｂはソケット、１ｃはアルミニウム合金製のパイプ、１ｄはフランジ、２は所定の剛性を有した専用治具、２ａは例えば、６０ｍｍ角のアルミニウム合金製の四角柱状の本体、２ｂはフランジ１ｄ側が取り付けられる例えば、アルミニウム合金製で、ホースアセンブリ１毎に固有の形状を有した所定の取付部（フランジ）、２ｃはパイプ１ｃを支えるブラケット３が取り付けられて、ホースアセンブリ１毎に固有の形状を有した所定の取付部（ブラケット）、６は専用治具２が例えば、４本のボルト（図示せず）で固定される所定の剛性を有したベース治具、１０は専用治具２とベース治具６とから構成されて、所定の剛性を有したホースアセンブリの振動耐久試験用治具、２０は振動耐久試験機、２０ａは振動耐久試験機２０の所定の加速度で振動するヘッド、１１はベース治具６をヘッド２０ａに固定するための４本のボルト（ただし、１本は図示せず）である。 In FIGS. 1 and 2, 1 is a hose assembly, 1a is, for example, a resin-rubber composite hose, 1b is a socket, 1c is an aluminum alloy pipe, 1d is a flange, and 2 is a dedicated jig having a predetermined rigidity. 2a is, for example, a square columnar main body made of 60 mm square aluminum alloy, and 2b is attached to the flange 1d side. For example, a predetermined mounting portion (flange) made of aluminum alloy and having a unique shape for each hose assembly 1 Is a predetermined mounting portion (bracket) to which a bracket 3 for supporting the pipe 1c is attached and has a unique shape for each hose assembly 1, and 6 is a dedicated jig 2 with, for example, four bolts (not shown). A base jig 10 having a predetermined rigidity to be fixed is composed of a dedicated jig 2 and a base jig 6, and a jig for a vibration durability test of a hose assembly having a predetermined rigidity, and 20 is a vibration durability. The testing machine, 20a, is a head that vibrates at a predetermined acceleration of the vibration durability testing machine 20, and 11 is four bolts (however, one is not shown) for fixing the base jig 6 to the head 20a.

なお、ホースアセンブリ１は、ホース１ａと、このホースの１ａの両端に接合された所定形状のパイプ付き口金具とから構成されているが、本実施形態においては、ホース１ａと、このホース１ａの一端側に接合された所定形状のパイプ付き口金具までを図示し、ホース１ａの途中からホース１ａの他端側まで、および、ホース１ａの他端に接合された所定形状のパイプ付き口金具は図示を省略した。また、ホースアセンブリ１としては、車両用のエアコンホースアセンブリやオイルホースアセンブリ等が考えられる。 The hose assembly 1 is composed of a hose 1a and a mouthpiece with a pipe having a predetermined shape joined to both ends of the hose 1a. In the present embodiment, the hose 1a and the hose 1a The figure shows up to the mouthpiece with a pipe of a predetermined shape joined to one end side, and the mouthpiece with a pipe of a predetermined shape joined from the middle of the hose 1a to the other end side of the hose 1a and to the other end of the hose 1a. The illustration is omitted. Further, as the hose assembly 1, an air conditioner hose assembly for a vehicle, an oil hose assembly, or the like can be considered.

また、本発明において、パイプ付き口金具とは、（１）相手部材に接続するためのフランジ等と、一方がこのフランジ等に接合され、他方がホースにバンド等で接合されるパイプと、から構成された物や、（２）相手部材に接続するためのフランジ等と、ホースを締結するためのソケットと、一方が前記フランジ等に接合され、他方が前記ソケットに接合されるパイプと、から構成された物等、様々な形態で構成された物の総称である。
なお、本発明のホースアセンブリの振動耐久試験用治具が対象とする「ホースと、このホースの一端側に接合された所定形状の口金具と、を有したホースアセンブリ」とは、「ホースと、このホースの一端側に接合された所定形状のパイプ付き口金具と、を有したホースアセンブリ」や「ホースと、このホースの一端側に接合されたパイプ無しの所定形状の口金具と、を有したホースアセンブリ」等、様々な形態で構成された「ホースと、少なくとも前記ホースの一端側に口金具と、を有したホースアセンブリ」の総称である。 Further, in the present invention, the mouthpiece with a pipe is (1) a flange or the like for connecting to a mating member, and a pipe in which one is joined to the flange or the like and the other is joined to the hose by a band or the like. From the configured object, (2) a flange for connecting to a mating member, a socket for fastening a hose, and a pipe for which one is joined to the flange or the like and the other is joined to the socket. It is a general term for things that are made up of various forms, such as things that are made up.
The "hose assembly having a hose and a mouthpiece having a predetermined shape joined to one end side of the hose", which is the target of the vibration endurance test jig of the hose assembly of the present invention, is a hose. , A hose assembly with a predetermined shape of a mouthpiece with a pipe joined to one end of this hose, and a hose and a mouthpiece of a predetermined shape without a pipe joined to one end of this hose. It is a general term for "a hose assembly having a hose and a mouthpiece at least on one end side of the hose" configured in various forms such as "a hose assembly having a hose".

また、専用治具２は、本体２ａと、本体２ａに例えば、４本のボルトでそれぞれ固定された取付部２ｂおよび取付部２ｃとから構成されている。 Further, the dedicated jig 2 is composed of a main body 2a and a mounting portion 2b and a mounting portion 2c fixed to the main body 2a with, for example, four bolts, respectively.

図１において、ホースアセンブリ１を、Ｘ−Ｙ−Ｚの直交三軸で表されたホースアセンブリ１の製品配置図（例えば、Ｚ軸方向が車両の上下方向に位置する）に従って配置して、振動耐久試験が行えるように、専用治具２の四角柱状の本体２ａの長手方向が、Ｚ軸方向を向くように配置されている。また、このような配置状態で、ホースアセンブリ１のフランジ１ｄ側が、専用治具２の取付部２ｂに取り付けられている。よって、種類の異なるホースアセンブリ毎に、固有の取付部２ｂを有した専用治具２が、ベース治具６に固定された状態（すなわち、ホースアセンブリの振動耐久試験用治具１０の状態）で、所定の剛性を有した構成であるため、振動耐久試験機２０が発生する特定の振動（加速度）とホースアセンブリの振動耐久試験用治具１０の振動との間に、位相ズレが発生することがない。 In FIG. 1, the hose assembly 1 is arranged according to the product layout of the hose assembly 1 represented by three orthogonal axes of XYZ (for example, the Z-axis direction is located in the vertical direction of the vehicle) and vibrates. The rectangular columnar main body 2a of the dedicated jig 2 is arranged so that the longitudinal direction of the main body 2a faces the Z-axis direction so that the durability test can be performed. Further, in such an arrangement state, the flange 1d side of the hose assembly 1 is attached to the attachment portion 2b of the dedicated jig 2. Therefore, for each different type of hose assembly, the dedicated jig 2 having a unique mounting portion 2b is fixed to the base jig 6 (that is, the state of the vibration durability test jig 10 of the hose assembly). Since the configuration has a predetermined rigidity, a phase shift occurs between the specific vibration (acceleration) generated by the vibration durability tester 20 and the vibration of the vibration durability test jig 10 of the hose assembly. There is no.

本発明に係る振動耐久試験用治具１０は、図３に示す重心調整手段としての支持側治具３０を用いて、専用治具２がベース治具６に固定された状態の合成重心のバランスが、予め前記一軸方向（例えば、上述したＺ軸方向）に調整された構成であることを特徴とする。図３において、３１は水平が保たれた防振台、３２、３３は防振台３１に平行に置かれた支持バー、３４は支持バー３２、３３を連結するための連結バー、３５は支持バー３２上に２本のボルト３７で両端が固定された支持する部分としての断面が三角形状の突起部、３６は支持バー３３上に２本のボルト３７で両端が固定された支持する部分としての断面が三角形状の突起部である。以下に、図４を用いて、専用治具２がベース治具６に固定された状態の合成重心のバランスが、Ｚ軸方向に調整される重心調整手段の原理を詳述する。 The vibration durability test jig 10 according to the present invention uses the support side jig 30 as the center of gravity adjusting means shown in FIG. 3, and balances the combined center of gravity in a state where the dedicated jig 2 is fixed to the base jig 6. Is characterized in that the configuration is adjusted in advance in the uniaxial direction (for example, the Z axis direction described above). In FIG. 3, 31 is an anti-vibration table that is kept horizontal, 32 and 33 are support bars placed parallel to the anti-vibration table 31, 34 is a connection bar for connecting the support bars 32 and 33, and 35 is a support. A protrusion having a triangular cross section as a supporting portion fixed at both ends by two bolts 37 on the bar 32, and 36 as a supporting portion fixed at both ends by two bolts 37 on the support bar 33. The cross section of is a triangular protrusion. Hereinafter, with reference to FIG. 4, the principle of the center of gravity adjusting means for adjusting the balance of the combined center of gravity in the state where the dedicated jig 2 is fixed to the base jig 6 in the Z-axis direction will be described in detail.

図４に示すベース治具６の図１に示された振動耐久試験機２０のヘッド２０ａに取り付けられる側の面（図示せず）の中心を通る前記面の直交する２本の対称軸線上には、支持される部分としての前記面上に彫られた断面がＶ字形状の溝（図示せず）であり、図３に示す突起部３５、３６に対応するように、Ｙ軸およびＸ軸に、それぞれ平行に設けられている。 On the two orthogonal axes of symmetry of the surface passing through the center of the surface (not shown) on the side attached to the head 20a of the vibration endurance tester 20 shown in FIG. 1 of the base jig 6 shown in FIG. Is a V-shaped groove (not shown) whose cross section carved on the surface as a supported portion is a V-shaped groove (not shown), and has a Y-axis and an X-axis so as to correspond to the protrusions 35 and 36 shown in FIG. They are provided in parallel with each other.

図３に示す突起部３５、３６に、図４に示すベース治具６の図１に示された振動耐久試験機２０のヘッド２０ａに取り付けられる側の面に設けられた溝を合わせて、専用治具２が固定された状態のベース治具６を載せる。この時、専用治具２が、ベース治具６に固定された状態で、前記Ｚ軸方向からずれている場合は、そのズレ量を、専用治具２が固定されたベース治具６と前記支持される部分としての溝とを有した、Ｙ軸回りのヤジロベエの動きとして検出可能である。同様に、ベース治具６をＸ−Ｙ面内で９０度回転させて、図３に示す突起部３５、３６に、図４に示すベース治具６の図１に示された振動耐久試験機２０のヘッド２０ａに取り付けられる側の面に設けられた溝を合わせて、専用治具２が固定された状態のベース治具６を載せる。これにより、専用治具２が、ベース治具６に固定された状態の合成重心のバランスが、前記Ｚ軸方向からずれている場合は、そのズレ量を、専用治具２が固定されたベース治具６と前記支持される部分としての溝とを有した、Ｘ軸回りのヤジロベエの動きとして検出可能である。これらの動きを、目視または気泡管水準器で検出すればよい。そして、前記ズレ量が、それぞれゼロになるように、重りを専用治具２およびベース治具６の少なくとも何れかに設置すれば、専用治具２が、ベース治具６に固定された状態の合成重心のバランスを、予め前記一軸方向（上述したＺ軸方向）に調整させることが可能である。このように、重心調整手段の原理に基づくものであるため、重心調整の作業に要する時間が短く、かつ、汎用性も高い。なお、図４においては、専用治具２にホースアセンブリ１が取り付けられていない状態で、重心調整を行う例が描かれているが、専用治具２にホースアセンブリ１が取り付けられた状態で、重心調整を行うことも当然可能である。このように、重心調整を行う上では、ホースアセンブリ１の存在は影響しない。 The protrusions 35 and 36 shown in FIG. 3 are aligned with the grooves provided on the surface of the base jig 6 shown in FIG. 4 on the side surface to be attached to the head 20a of the vibration endurance tester 20 shown in FIG. The base jig 6 in which the jig 2 is fixed is placed. At this time, if the dedicated jig 2 is fixed to the base jig 6 and is deviated from the Z-axis direction, the amount of the deviation is determined by the base jig 6 to which the dedicated jig 2 is fixed and the above. It can be detected as the movement of a jig robe around the Y-axis, which has a groove as a supported portion. Similarly, the base jig 6 is rotated 90 degrees in the XY plane, and the protrusions 35 and 36 shown in FIG. 3 show the vibration durability tester shown in FIG. 1 of the base jig 6 shown in FIG. The base jig 6 in which the dedicated jig 2 is fixed is placed by aligning the grooves provided on the surface of the head 20a on the side to be attached to the head 20a. As a result, if the balance of the combined center of gravity in the state where the dedicated jig 2 is fixed to the base jig 6 is deviated from the Z-axis direction, the amount of the deviation is determined by the base to which the dedicated jig 2 is fixed. It can be detected as the movement of the Weeble around the X-axis, which has the jig 6 and the groove as the supported portion. These movements may be detected visually or with a bubble level. Then, if the weight is installed in at least one of the dedicated jig 2 and the base jig 6 so that the amount of deviation becomes zero, the dedicated jig 2 is fixed to the base jig 6. The balance of the combined center of gravity can be adjusted in advance in the uniaxial direction (Z-axis direction described above). As described above, since it is based on the principle of the center of gravity adjusting means, the time required for the center of gravity adjusting work is short and the versatility is high. In FIG. 4, an example of adjusting the center of gravity is drawn in a state where the hose assembly 1 is not attached to the special jig 2, but the hose assembly 1 is attached to the special jig 2. Of course, it is also possible to adjust the center of gravity. As described above, the presence of the hose assembly 1 does not affect the adjustment of the center of gravity.

上述した方式を用いて、専用治具２がベース治具６に固定された状態の合成重心のバランスが、予め前記一軸方向（上述したＺ軸方向）に調整された状態の専用治具２が固定されたベース治具６（すなわち、振動耐久試験用治具１０）を図１に示すヘッド２０ａに取り付けて振動耐久試験を行えば、振動耐久試験機が発生する振動に対して位相ズレが発生することがなく、かつ、容易に他軸方向への加速度を基準レベル以下に抑制することが可能である。 Using the method described above, the dedicated jig 2 in a state where the balance of the combined center of gravity in a state where the dedicated jig 2 is fixed to the base jig 6 is adjusted in advance in the uniaxial direction (the Z axis direction described above). When the fixed base jig 6 (that is, the vibration durability test jig 10) is attached to the head 20a shown in FIG. 1 and the vibration durability test is performed, a phase shift occurs with respect to the vibration generated by the vibration durability tester. It is possible to easily suppress the acceleration in the other axial direction to the reference level or less without doing so.

なお、本実施形態においては、専用治具２として、本体２ａと、取付部２ｂおよび取付部２ｃとから構成された例について説明したが、本発明に係る専用治具２としては、少なくとも本体２ａと取付部２ｂを有していることが必要である。 In the present embodiment, an example in which the main body 2a, the mounting portion 2b, and the mounting portion 2c are configured as the dedicated jig 2 has been described, but the dedicated jig 2 according to the present invention has at least the main body 2a. And it is necessary to have a mounting portion 2b.

また、本実施形態においては、専用治具２の本体２ａとして、四角柱状の形状を有した例について説明したが、これに限定されるものではなく、例えば、三角柱状や五角柱状等の多角柱状の形状でもよく、断面が四角形状の直角が確保されたロの字やコの字状の形状でもよい。このような、専用治具の本体を採用したならば、前記一軸方向（上述したＺ軸方向）の振動耐久試験を行った後、ホースアセンブリを前記一軸方向とは異なる選択された直交軸方向に振動耐久試験を行う場合は、前記所定の取付部に、前記パイプ付き口金具の先端側が取り付けられた状態のままの前記専用治具の前記一軸方向と前記選択された直交軸方向で作られる面の前記一軸方向とが、前記選択された直交軸方向と反対向きの軸方向に９０度回転された状態で、ベース治具６に固定するだけで、Ｘ−Ｙ−Ｚの直交三軸方向の振動耐久試験が簡単に実施可能である。当然、三軸方向すべての振動耐久試験において、振動耐久試験機が発生する振動に対して位相ズレが発生することがなく、かつ、容易に他軸方向への加速度を基準レベル以下に抑制することが可能である。 Further, in the present embodiment, an example having a square columnar shape as the main body 2a of the dedicated jig 2 has been described, but the present invention is not limited to this, and for example, a polygonal columnar column such as a triangular columnar column or a pentagonal columnar columnar shape is described. It may be a square shape or a U shape with a square cross section and a right angle. If the main body of such a dedicated jig is adopted, after the vibration endurance test in the uniaxial direction (Z-axis direction described above) is performed, the hose assembly is set to a selected orthogonal axial direction different from the uniaxial direction. When performing a vibration durability test, a surface formed in the uniaxial direction and the selected orthogonal axial direction of the dedicated jig with the tip end side of the mouthpiece with a pipe attached to the predetermined mounting portion. With the uniaxial direction of the above rotated 90 degrees in the axial direction opposite to the selected orthogonal axial direction, simply fixing to the base jig 6 in the orthogonal triaxial direction of XYZ. Vibration durability test can be easily performed. Naturally, in all the vibration endurance tests in the three axial directions, the phase shift does not occur with respect to the vibration generated by the vibration endurance tester, and the acceleration in the other axial directions should be easily suppressed to the reference level or less. Is possible.

なお、本実施形態においては、図４に示すベース治具６の図１に示された振動耐久試験機２０のヘッド２０ａに取り付けられる側の面（図示せず）の中心を通る前記面の直交する２本の対称軸線上に、支持される部分としての前記面上に彫られた断面がＶ字形状の溝（図示せず）について説明したが、これに限定されるものではなく、前記支持される部分としては、例えば、Ｕ字形状でもよく、ヤジロベエの動きとして検出可能な形状であれば、溝でなくてもよい。 In the present embodiment, the base jig 6 shown in FIG. 4 is orthogonal to the surface passing through the center of the surface (not shown) on the side attached to the head 20a of the vibration durability tester 20 shown in FIG. A groove (not shown) having a V-shaped cross section carved on the surface as a supported portion on the two symmetrical axes has been described, but the support is not limited thereto. The portion to be formed may be, for example, a U-shape, and may not be a groove as long as it has a shape that can be detected as the movement of the weeble.

図１に示す振動耐久試験用治具１０にホースアセンブリ１を取り付け、Ｚ軸方向に振動耐久試験（振動数１００Ｈｚ×加速度３０Ｇ）を行った場合の位相ズレとして、Ｚ軸方向と他軸方向の発生加速度を三軸タイプの加速度ピックアップセンサで測定した。同様に、ホースアセンブリ１を上述した課題で述べた従来の振動耐久試験用治具（多数の汎用治具を組み上げた振動耐久試験用治具）に取り付け、Ｚ軸方向に振動耐久試験（振動数１００Ｈｚ×加速度３０Ｇ）を行った場合の位相ズレとして、Ｚ軸方向と他軸方向の発生加速度を測定した。位相ズレ（Ｚ軸方向と他軸方向の発生加速度）の結果を下記表１に示す。 When the hose assembly 1 is attached to the vibration endurance test jig 10 shown in FIG. 1 and a vibration endurance test (frequency 100 Hz x acceleration 30 G) is performed in the Z-axis direction, the phase shift is in the Z-axis direction and the other axis direction. The generated acceleration was measured with a three-axis type acceleration pickup sensor. Similarly, the hose assembly 1 is attached to the conventional vibration endurance test jig (vibration endurance test jig in which a large number of general-purpose jigs are assembled) described in the above-mentioned task, and the vibration endurance test (frequency) is performed in the Z-axis direction. As a phase shift when 100 Hz × acceleration 30 G) was performed, the generated acceleration in the Z-axis direction and the other-axis direction was measured. The results of the phase shift (acceleration generated in the Z-axis direction and the other axis direction) are shown in Table 1 below.

従来例の場合には、Ｚ軸方向の発生加速度が振動耐久試験機２０の加速度を維持できていないだけでなく、他軸方向であるＸ軸方向やＹ軸方向に基準レベル（３Ｇ以下）を超える３．１Ｇ、１７．１Ｇの発生加速度が検出された。これに対して、本発明例の場合は、Ｚ軸方向の発生加速度が振動耐久試験機２０の加速度を維持できているだけでなく、他軸方向であるＸ軸方向やＹ軸方向に発生する加速度が０．２Ｇ、０．４Ｇと基準レベル（３Ｇ以下）を大きく下回っており、極めて良好な結果であった。 In the case of the conventional example, not only the generated acceleration in the Z-axis direction cannot maintain the acceleration of the vibration endurance tester 20, but also the reference level (3G or less) is set in the X-axis direction and the Y-axis direction, which are other axial directions. The generated acceleration of 3.1G and 17.1G exceeding 3.1G was detected. On the other hand, in the case of the example of the present invention, not only the acceleration generated in the Z-axis direction can maintain the acceleration of the vibration durability tester 20, but also it is generated in the X-axis direction and the Y-axis direction, which are other axial directions. The acceleration was 0.2G and 0.4G, which were far below the reference level (3G or less), which was an extremely good result.

（実施形態２）
図５は、図２に示すホースアセンブリ１が取り付けられた専用治具２を用いて、Ｘ軸方向に振動耐久試験を行うための配置を説明するための拡大正面図である。 (Embodiment 2)
FIG. 5 is an enlarged front view for explaining an arrangement for performing a vibration endurance test in the X-axis direction using the dedicated jig 2 to which the hose assembly 1 shown in FIG. 2 is attached.

図２に示すホースアセンブリ１が取り付けられた専用治具２の本体２ａのＺ−Ｘ面のＺ軸方向が、Ｘ軸方向と反対向きの軸方向に９０度回転され、この回転された専用治具２の本体２ａの両端に専用治具２の本体２ａと直交関係が確保された２つの支持治具２ｄをＸ軸方向に向くように、それぞれ４本のボルトで取り付け、この２つの支持治具２ｄを、それぞれベース治具６に４本のボルトで固定した構成である。このように、２つの支持治具２ｄを追加するだけの簡易な構成であるため、他軸方向（Ｘ軸方向）への振動耐久試験が極めて迅速に行える。また、支持治具２ｄの長さが異なるものを多数準備しておくことで、種類の異なる多数のホースアセンブリに対応した振動耐久試験を行うことが可能である。 The Z-axis direction of the Z-X surface of the main body 2a of the dedicated jig 2 to which the hose assembly 1 shown in FIG. 2 is attached is rotated by 90 degrees in the axial direction opposite to the X-axis direction, and this rotated dedicated curing Two support jigs 2d, which are orthogonal to the main body 2a of the dedicated jig 2, are attached to both ends of the main body 2a of the tool 2 with four bolts so as to face the X-axis direction, and these two support jigs are cured. The tool 2d is fixed to the base jig 6 with four bolts, respectively. As described above, since the configuration is as simple as adding two support jigs 2d, the vibration durability test in the other axial direction (X-axis direction) can be performed extremely quickly. Further, by preparing a large number of support jigs 2d having different lengths, it is possible to perform a vibration durability test corresponding to a large number of different types of hose assemblies.

したがって、このような構成の場合、専用治具２がベース治具６に固定された状態で所定の剛性を有し、かつ、専用治具２がベース治具６に固定された状態の合成重心のバランスを、予め前記Ｘ軸方向に調整しているため、当然、振動耐久試験機が発生する振動に対して、位相ズレが発生することがなく、かつ、容易に他軸方向への加速度を基準レベル以下に抑制することが可能である。 Therefore, in the case of such a configuration, the synthetic center of gravity has a predetermined rigidity when the dedicated jig 2 is fixed to the base jig 6, and the dedicated jig 2 is fixed to the base jig 6. Since the balance of the above is adjusted in advance in the X-axis direction, naturally, there is no phase shift with respect to the vibration generated by the vibration endurance tester, and the acceleration in the other axis direction can be easily performed. It is possible to suppress it below the reference level.

（実施形態３）
図６は、図２に示すホースアセンブリ１が取り付けられた専用治具２を用いて、Ｙ軸方向に振動耐久試験を行うための配置を説明するための拡大正面図である。 (Embodiment 3)
FIG. 6 is an enlarged front view for explaining an arrangement for performing a vibration endurance test in the Y-axis direction using the dedicated jig 2 to which the hose assembly 1 shown in FIG. 2 is attached.

図２に示すホースアセンブリ１が取り付けられた専用治具２の本体２ａのＺ−Ｙ面のＺ軸方向が、Ｙ軸方向と反対向きの軸方向に９０度回転され、この回転された専用治具２の本体２ａの両端に専用治具２の本体２ａと直交関係が確保された２つの支持治具２ｄをＹ軸方向に向くように、それぞれ４本のボルトで取り付け、この２つの支持治具２ｄを、それぞれベース治具６に４本のボルトで固定した構成である。このように、２つの支持治具２ｄを追加するだけの簡易な構成であるため、他軸方向（Ｙ軸方向）への振動耐久試験が極めて迅速に行える。実際には、図５に示した２つの支持治具２ｄをベース治具６に固定したままの状態で、各４本のボルトを外し、専用治具２の本体２ａの向きを変更した後、再び、各４本のボルトで専用治具２の本体２ａを固定するだけである。実施形態２の場合と同様に、支持治具２ｄの長さが異なるものを多数準備しておくことで、種類の異なる多数のホースアセンブリに対応した振動耐久試験を行うことが可能である。 The Z-axis direction of the Z-Y surface of the main body 2a of the dedicated jig 2 to which the hose assembly 1 shown in FIG. 2 is attached is rotated by 90 degrees in the axial direction opposite to the Y-axis direction, and this rotated dedicated cure Two support jigs 2d having an orthogonal relationship with the main body 2a of the dedicated jig 2 are attached to both ends of the main body 2a of the tool 2 with four bolts so as to face the Y-axis direction, and these two support jigs are cured. The tool 2d is fixed to the base jig 6 with four bolts, respectively. As described above, since the configuration is as simple as adding two support jigs 2d, the vibration durability test in the other axial direction (Y-axis direction) can be performed extremely quickly. Actually, with the two support jigs 2d shown in FIG. 5 fixed to the base jig 6, each of the four bolts is removed, the orientation of the main body 2a of the dedicated jig 2 is changed, and then the orientation is changed. Again, only the main body 2a of the special jig 2 is fixed with four bolts each. As in the case of the second embodiment, by preparing a large number of support jigs 2d having different lengths, it is possible to perform a vibration durability test corresponding to a large number of different types of hose assemblies.

したがって、このような構成の場合、専用治具２がベース治具６に固定された状態で所定の剛性を有し、かつ、専用治具２がベース治具６に固定された状態の合成重心のバランスを、予め前記Ｙ軸方向に調整しているため、当然、振動耐久試験機が発生する振動に対して位相ズレが発生することがなく、かつ、容易に他軸方向への加速度を基準レベル以下に抑制することが可能である。 Therefore, in the case of such a configuration, the synthetic center of gravity has a predetermined rigidity when the dedicated jig 2 is fixed to the base jig 6, and the dedicated jig 2 is fixed to the base jig 6. Since the balance of the above is adjusted in advance in the Y-axis direction, naturally, there is no phase shift with respect to the vibration generated by the vibration durability tester, and the acceleration in the other axis direction is easily used as a reference. It is possible to suppress it below the level.

以上、本発明の実施形態を説明したが、具体例を例示したに過ぎず、特に、本発明を限定するものではなく、具体的構成などは、適宜設計変更可能である。また、発明の実施形態に記載された、作用および効果は、本発明から生じる最も好適な作用および効果を列挙したに過ぎず、本発明による作用および効果は、本発明の実施形態に記載されたものに限定されるものではない。 Although the embodiments of the present invention have been described above, only specific examples are illustrated, and the present invention is not particularly limited, and the specific configuration and the like can be appropriately redesigned. In addition, the actions and effects described in the embodiments of the present invention merely list the most preferable actions and effects arising from the present invention, and the actions and effects according to the present invention are described in the embodiments of the present invention. It is not limited to things.

１ホースアセンブリ
１ａホース
１ｂソケット
１ｃパイプ
１ｄフランジ
２専用治具
２ａ本体
２ｂ取付部（フランジ）
２ｃ取付部（ブラケット）
２ｄ支持治具
３ブラケット
４、１１、３７ボルト
６ベース治具
１０振動耐久試験用治具
２０振動耐久試験機
２０ａヘッド
３０支持側治具
３１防振台
３２、３３支持バー
３４連結バー
３５、３６突起部

1 Hose assembly 1a Hose 1b Socket 1c Pipe 1d Flange 2 Dedicated jig 2a Main body 2b Mounting part (flange)
2c mounting part (bracket)
2d Support jig 3 Bracket 4, 11, 37 Bolt 6 Base jig 10 Vibration durability test jig 20 Vibration durability tester 20a Head 30 Support side jig 31 Anti-vibration stand 32, 33 Support bar 34 Connection bar 35, 36 protrusion

Claims

A jig for vibration durability test for performing a vibration durability test of a hose assembly having a hose and a mouthpiece having a predetermined shape joined to one end side of the hose.
A special jig with a predetermined rigidity having a predetermined mounting portion to which the tip end side of the mouthpiece is mounted, and
The dedicated jig is fixed and the hose assembly is fixed so that the hose assembly can be vibrated in any one axis direction when the product arrangement state is represented by three orthogonal axes of XYZ. A base jig with a predetermined rigidity fixed to the vibration durability tester,
With
The balance of the combined center of gravity in a state where the dedicated jig is fixed to the base jig and has a predetermined rigidity and the dedicated jig is fixed to the base jig is a predetermined center of gravity adjusting means. configuration der adjusted in advance the uniaxial direction by is,
Supporting portions are provided on two orthogonal axes of symmetry of the surface passing through the center of the surface of the base jig attached to the vibration endurance tester, and the combined center of gravity is in the uniaxial direction. It is characterized in that each deviation amount from the above is detected as the movement of the yajirobee having the base jig to which the dedicated jig is fixed and the supported portion. , Jig for vibration durability test of hose assembly.

When the hose assembly is subjected to a vibration endurance test in a selected orthogonal axial direction different from the uniaxial direction, the dedicated jig is said to have the tip end side of the mouthpiece attached to the predetermined attachment portion. The uniaxial direction and the uniaxial direction of the surface formed in the selected orthogonal axial direction are fixed to the base jig in a state of being rotated 90 degrees in the axial direction opposite to the selected orthogonal axial direction. The jig for vibration durability test of the hose assembly according to claim 1, wherein the hose assembly has the above-mentioned structure.

The vibration of the hose assembly according to claim 1 or 2 , wherein each of the supported portions has a V-shaped or U-shaped groove in a cross section carved on the surface of the base jig. Durability test jig.

The hose assembly according to any one of claims 1 to 3 , wherein a weight for reducing the amount of deviation to zero is installed in at least one of the dedicated jig and the base jig. Vibration durability test jig.

A jig for vibration durability test for performing a vibration durability test of a hose assembly having a hose and a mouthpiece having a predetermined shape joined to one end side of the hose.
A special jig with a predetermined rigidity having a predetermined mounting portion to which the tip end side of the mouthpiece is mounted, and
The dedicated jig is fixed and the hose assembly is fixed so that the hose assembly can be vibrated in any one axis direction when the product arrangement state is represented by three orthogonal axes of XYZ. A base jig with a predetermined rigidity fixed to the vibration durability tester,
With
The balance of the combined center of gravity in a state where the dedicated jig is fixed to the base jig and has a predetermined rigidity and the dedicated jig is fixed to the base jig is a predetermined center of gravity adjusting means. configuration der adjusted in advance the uniaxial direction by is,
When the hose assembly is subjected to a vibration endurance test in a selected orthogonal axial direction different from the uniaxial direction, the dedicated jig is said to have the tip end side of the mouthpiece attached to the predetermined attachment portion. The uniaxial direction and the uniaxial direction of the surface formed in the selected orthogonal axial direction are fixed to the base jig in a state of being rotated 90 degrees in the axial direction opposite to the selected orthogonal axial direction. It is a configuration
Support jigs having a predetermined rigidity and having an orthogonal relationship with the dedicated jig are provided at both ends of the dedicated jig, and the dedicated jig is fixed to the base jig via these support jigs. A jig for vibration durability test of hose assembly, which is characterized by being