WO2016080047A1 - Support pour dispositif d'amortissement des vibrations et dispositif d'amortissement des vibrations - Google Patents

Support pour dispositif d'amortissement des vibrations et dispositif d'amortissement des vibrations Download PDF

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Publication number
WO2016080047A1
WO2016080047A1 PCT/JP2015/074534 JP2015074534W WO2016080047A1 WO 2016080047 A1 WO2016080047 A1 WO 2016080047A1 JP 2015074534 W JP2015074534 W JP 2015074534W WO 2016080047 A1 WO2016080047 A1 WO 2016080047A1
Authority
WO
WIPO (PCT)
Prior art keywords
vibration
side wall
pair
vibration isolator
press
Prior art date
Application number
PCT/JP2015/074534
Other languages
English (en)
Japanese (ja)
Inventor
公平 櫻田
Original Assignee
株式会社ブリヂストン
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 株式会社ブリヂストン filed Critical 株式会社ブリヂストン
Publication of WO2016080047A1 publication Critical patent/WO2016080047A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K5/00—Arrangement or mounting of internal-combustion or jet-propulsion units
    • B60K5/12—Arrangement of engine supports
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F1/00—Springs
    • F16F1/36—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers
    • F16F1/38—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers with a sleeve of elastic material between a rigid outer sleeve and a rigid inner sleeve or pin, i.e. bushing-type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
    • F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
    • F16F15/08—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with rubber springs ; with springs made of rubber and metal

Definitions

  • the present invention relates to a vibration isolator bracket and a vibration isolator.
  • This application claims priority on November 19, 2014 based on Japanese Patent Application No. 2014-234786 for which it applied to Japan, and uses the content here.
  • the bracket includes a cylindrical outer mounting member connected to one of the vibration generating portion and the vibration receiving portion, an inner mounting member connected to the other, and an elastic body connecting the both mounting members. Hold the main body of the vibration isolator.
  • the conventional vibration isolator bracket has room for improvement in stably holding the vibration isolator body.
  • the present invention has been made in view of the above-described circumstances, and an object thereof is to stably hold the vibration isolator main body.
  • the vibration isolator bracket according to the present invention includes a cylindrical outer mounting member connected to one of the vibration generating portion and the vibration receiving portion, an inner mounting member connected to the other, and both of these mounting members.
  • the vibration isolator bracket extends in a vertical direction and includes a pair of side walls connected in a state of being opposed to each other, and protrudes from the pair of side walls and is connected to a vibration generating unit or a vibration receiving unit. And a leg portion. In each of the inner surfaces facing each other in the pair of side wall portions, both side wall portions project in opposite directions facing each other, and a lower support projection is formed to support the vibration isolator body from below in the vertical direction. .
  • the vibration isolator body can be stably held.
  • the anti-vibration device 10 shown in FIGS. 1 to 3 is applied as an engine mount that supports an engine that is a vibration generating unit in an automobile to a vehicle body that is a vibration receiving unit. Vibration (main vibration) along the vertical direction Z is mainly input to the vibration isolator 10.
  • the vibration isolator 10 includes a vibration isolator body 20 and a vibration isolator bracket 30.
  • the vibration isolator body 20 includes a cylindrical outer mounting member 21 connected to one of the vibration generating unit and the vibration receiving unit, an inner mounting member 22 connected to the other, and both of these mounting members 21 and 22. And an elastic body 23 for connecting the two.
  • the outer mounting member 21 is formed in a cylindrical shape.
  • a press-fitting protrusion 24 (press-fitted part, supported part) is provided on the outer peripheral surface of the outer mounting member 21.
  • a pair of press-fitting protrusions 24 are provided, and are disposed on the outer peripheral surface of the outer mounting member 21 at each portion located on the opposite side across the axis O of the outer mounting member 21.
  • the axis O of the outer mounting member 21 is along the vertical direction Z, and the axial direction of the outer mounting member 21 is the vertical direction Z.
  • the outer mounting member 21 is connected to the vehicle body (vibration receiving portion) via the vibration isolator bracket 30.
  • the inner mounting member 22 is formed in a truncated cone shape and is arranged coaxially with the outer mounting member 21.
  • the inner mounting member 22 is disposed inside the outer mounting member 21 in a plan view viewed from the vertical direction Z.
  • the inner attachment member 22 protrudes upward in the vertical direction Z from the outer attachment member 21.
  • a connection screw hole into which a connection bolt (not shown) is screwed is formed on the upper surface of the inner mounting member 22.
  • the connecting bolt connects a stopper arm (not shown) to the vibration isolator body 20.
  • the inner mounting member 22 is connected to the engine (vibration generating unit) via a stopper arm.
  • the elastic body 23 is formed of rubber or the like, for example, and becomes a vibration absorbing main body.
  • the elastic body 23 is vulcanized and bonded to the inner periphery of the outer mounting member 21 and vulcanized and bonded to the outer surface of the inner mounting member 22 to elastically connect the outer mounting member 21 and the inner mounting member 22.
  • the elastic body 23 is formed with a recess that opens downward in the vertical direction Z.
  • the vibration isolator bracket 30 holds the vibration isolator body 20.
  • the vibration isolator bracket 30 includes a support portion 31, a restriction portion 32, and a leg portion 33.
  • the support portion 31 is formed by bending a single plate material, and is formed in an inverted U shape when the support portion 31 is viewed from the front.
  • the support portion 31 includes a pair of side wall portions 34 that extend in the vertical direction Z and face each other, and end wall portions 35 that connect the both side wall portions 34 to each other.
  • the pair of side wall portions 34 extend in the vertical direction Z and are connected to face each other.
  • the end wall portion 35 connects the upper end portions of the pair of side wall portions 34.
  • the support portion 31 is integrally formed by bending a pair of side wall portions 34 downward from both sides of the upper end wall portion 35.
  • a lower support protrusion 36, an upper support protrusion 37, and a protrusion base 38 are formed on the inner surfaces of the pair of side wall portions 34 that face each other.
  • Each of the lower support protrusion 36 and the upper support protrusion 37 protrudes in the facing direction X in which the pair of side wall portions 34 face each other.
  • the protruding base 38 extends in the vertical direction Z, and the lower support protrusion 36 and the upper support protrusion 37 protrude from the both ends of the vertical direction Z, respectively.
  • the lower support protrusion 36, the upper support protrusion 37, and the protrusion base 38 are integrally formed by bending the side wall 34.
  • a bulging portion 39 that bulges outward in the facing direction X is formed at the lower end portion of the side wall portion 34 by bending, and a portion of the inner surface of the side wall portion 34 that corresponds to the bulging portion 39 is
  • the support protrusion 36, the upper support protrusion 37, and the protrusion base 38 are integrally formed.
  • the lower support protrusion 36, the upper support protrusion 37, and the protrusion base 38 form a press-fit groove 40 that opens toward the inner side in the facing direction X.
  • a press-fit space 41 is formed between the inner surfaces of the pair of side wall portions 34.
  • the press-fit space 41 opens in an opening direction Y orthogonal to both the vertical direction Z and the facing direction X, and press-fit grooves 40 are provided at both ends of the press-fit space 41 in the facing direction X.
  • the vibration isolator body 20 is press-fitted into the press-fit space 41 from one side in the opening direction Y.
  • the press-fit protrusion 24 of the vibration isolator body 20 is press-fitted into the press-fit groove 40 of the press-fit space 41.
  • the press-fitting protrusion 24 is sandwiched from the vertical direction Z by the lower support protrusion 36 and the upper support protrusion 37.
  • the lower support protrusion 36 supports the vibration isolator body 20 from below in the vertical direction Z
  • the upper support protrusion 37 supports the vibration isolator body 20 from above in the vertical direction Z.
  • the anti-vibration device body 20 is sandwiched by the protruding base portions 38 of the pair of side wall portions 34 from both outer sides in the facing direction X.
  • the protruding base 38 supports the vibration isolator body 20 from the outside in the facing direction X.
  • the restricting portion 32 supports the vibration isolator body 20 press-fitted into the press-fitting space 41 from the other side in the opening direction Y.
  • the restricting portion 32 is formed of a plate material different from the support portion 31 and is welded (fixed) to the support portion 31.
  • the front and back surfaces of the restricting portion 32 face the opening direction Y.
  • the restricting portion 32 includes a rectangular main body piece 42 that is long in the facing direction X in a front view viewed from the opening direction Y, and a protruding piece 43 that protrudes downward from the main body piece 42.
  • Both end portions in the facing direction X of the main body piece 42 are welded to the inner surfaces of the pair of side wall portions 34. Both end portions of the main body piece 42 are fixed to a portion of the inner surface of the side wall portion 34 that is located above the upper support protrusion 37, and the main body piece 42 is not in contact with the vibration isolator main body 20.
  • the protruding piece 43 engages with the outer peripheral surface of the outer mounting member 21 in the vibration isolator body 20 from the other side in the opening direction Y.
  • the protruding piece 43 is disposed at an equivalent position along the vertical direction Z with the protruding base 38.
  • the leg portion 33 protrudes from the pair of side wall portions 34 and is connected to the vehicle body (vibration generating portion or vibration receiving portion).
  • a pair of leg portions 33 are provided, and project from the pair of side wall portions 34 separately.
  • the leg portion 33 protrudes from the side wall portion 34 to the outside in the facing direction X.
  • the pair of leg portions 33 are formed symmetrically in the facing direction X.
  • the leg portion 33 is formed by bending a single plate material different from the support portion 31 and the restriction portion 32, and is formed in a U shape in a front view when the leg portion 33 is viewed from the facing direction X.
  • the leg portion 33 includes a pair of support wall portions 44 that extend in the vertical direction Z and face each other, and a connecting wall portion 45 that connects the two support wall portions 44 to each other.
  • the connection wall 45 connects the lower ends of the pair of support walls 44.
  • the leg portion 33 is integrally formed by bending a pair of support wall portions 44 upward separately from both sides of the connecting wall portion 45 positioned below.
  • the connecting wall portion 45 is fixed to a vehicle body positioned below the connecting wall portion 45.
  • a connecting hole that penetrates the connecting wall 45 in the vertical direction Z is formed in the connecting wall 45.
  • the connecting wall 45 is fixed to the vehicle body by a bolt (not shown) inserted into the connecting hole from above.
  • the pair of support wall portions 44 are arranged at an interval in the opening direction Y.
  • the support wall portion 44 is welded (fixed) to each outer surface facing the outside in the facing direction X in the pair of side wall portions 34.
  • the leg portion 33 is formed with a fitting recess 47 into which the bulging portion 39 is fitted.
  • the fitting recess 47 opens toward the inner side in the facing direction X, and a portion of the inner peripheral surface of the fitting recess 47 that is positioned below and facing upward supports the lower support protrusion 36 from below. It becomes the latching
  • the leg portion 33 is connected to the pair of side wall portions 34 so as to include, in the vertical direction Z, a bulging portion 39 that is a portion corresponding to the press-fit groove 40 among the outer surfaces of the pair of side wall portions 34.
  • the leg portion 33 is continuously welded from the bulging portion 39 to the portion located above the bulging portion 39 in the side wall portion 34.
  • the vibration isolator bracket 30 since the lower support protrusions 36 are formed on the inner surfaces of the pair of side wall portions 34, the lower support protrusions 36 prevent vibration isolation.
  • the apparatus main body 20 can be supported from below. Thereby, it becomes possible to hold
  • the vibration isolator main body 20 is moved from both sides in the vertical direction Z by both the lower support protrusions 36 and the upper support protrusions 37. Can be supported. Thereby, the vibration isolator main body 20 can be stably held in the vertical direction. Further, since the fitting recess 47 into which the bulging portion 39 is fitted is formed in the leg portion 33, the vibration isolator main body 20 is connected to the leg portion 33 via the upper support protrusion 37 and the lower support protrusion 36. Therefore, the vibration isolator main body 20 can be held more stably.
  • the vibration isolator main body 20 is connected to the leg portion via the locking portion 48 and the lower support protrusion 36. It becomes possible to support by 33, and the vibration isolator main body 20 can be hold
  • a press-fit space 41 is formed between the inner surfaces of the pair of side wall portions 34. Accordingly, by connecting the vibration isolator bracket 30 to the vibration generating portion or the vibration receiving portion in a state where the press-fitting space 41 is exposed toward one side in the opening direction Y, the vibration isolator body 20 is then press-fitted. It is possible to press fit into the space 41 from one side in the opening direction Y. Thereby, diversification of the assembly procedure of the vibration isolator main body 20 can be achieved. In addition, when the vibration isolator bracket 30 is connected to the vibration generating portion or the vibration receiving portion, the leg portion 33 is connected to the vibration generating portion or the vibration receiving portion.
  • the vibration isolator body 20 is press-fitted into the press-fit space 41 from the opening direction Y, the degree of freedom in designing the portions of the vibration isolator bracket 30 that are located on both sides in the vertical direction Z with respect to the press-fit space 41 is increased. It can be easily increased.
  • the anti-vibration device body 20 can be supported from the other side in the opening direction Y by the restricting portion 32, and the anti-vibration device body 20 can be held more stably. it can.
  • the anti-vibration device body 20 is pressed against the restriction portion 32 when the anti-vibration device body 20 is press-fitted into the press-fitting space 41, the anti-vibration device body 20 is excessively press-fitted. It becomes possible to prevent, and the assemblability of the vibration isolator main body 20 can be improved.
  • the leg portion 33 is connected to the side wall portion 34 so as to include the bulging portion 39 on the outer surface of the side wall portion 34 in the vertical direction Z. Therefore, the vibration isolator body 20 press-fitted into the press-fit space 41 can be supported from the outside in the facing direction X by the leg portion 33 via the side wall portion 34, and the vibration isolator body 20 can be stabilized more stably. Can be held.
  • the vibration isolator bracket 30 is provided, it is possible to stably hold the vibration isolator main body 20, for example, to reliably exhibit the characteristics. Can be made.
  • the press-fitting protrusion 24 may not be provided. Instead of press-fitting the press-fit protrusion 24 into the press-fit groove 40, for example, the outer mounting member 21 may be directly press-fitted into the press-fit groove 40.
  • the leg portion 33 may be connected to the side wall portion 34 while being shifted in the vertical direction Z with respect to the bulging portion 39. Further, the leg portion 33 may not have the locking portion 48 and the fitting concave portion 47.
  • the vibration isolator main body 20 may be supported by the main body piece.
  • the restricting portion 32 may support the inner attachment member 22 instead of the outer attachment member 21 of the vibration isolator main body 20.
  • the restriction part 32 may not be provided.
  • the side wall 34 may be formed of a plurality of plates.
  • the plurality of plate members are welded so that the second plate member forming the lower support protrusion 36 or the upper support protrusion 37 protrudes in the facing direction X from the first plate member forming the protruding base 38. (Fixed) may be used. Further, the upper support protrusion 37 may not be provided.
  • the engine is connected to the inner mounting member 22 and the outer mounting member 21 is connected to the vehicle body.
  • the engine may be connected in reverse.
  • the vibration isolator 10 according to the present invention is not limited to the engine mount of the vehicle, and can be applied to other than the engine mount.
  • the present invention can be applied to a mount of a generator mounted on a construction machine, or can be applied to a mount of a machine installed in a factory or the like.
  • the vibration isolator body can be stably held.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Transportation (AREA)
  • Vibration Prevention Devices (AREA)
  • Springs (AREA)

Abstract

L'invention porte sur un support (30) pour un dispositif d'amortissement des vibrations, lequel support comporte : une partie de support (31) qui s'étend dans la direction verticale (Z), et qui comprend une paire de parties parois latérales (34) se faisant mutuellement face et reliées l'une à l'autre; et des parties pattes (33) qui font saillie à partir de la paire de parties parois latérales (34), et qui sont reliées à une partie de génération de vibrations ou à une partie de réception de vibrations. Dans chacune des surfaces internes de la paire de parties parois latérales (34) se faisant mutuellement face, une partie de saillie de support inférieur (36) est formée de façon à faire saillie dans une direction de vis-à-vis (X) dans laquelle les deux parties parois latérales (34) se font mutuellement face, et à supporter un corps de dispositif d'amortissement des vibrations (20) à partir d'en-dessous dans la direction verticale (Z).
PCT/JP2015/074534 2014-11-19 2015-08-28 Support pour dispositif d'amortissement des vibrations et dispositif d'amortissement des vibrations WO2016080047A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2014-234786 2014-11-19
JP2014234786A JP6410577B2 (ja) 2014-11-19 2014-11-19 防振装置用ブラケットおよび防振装置

Publications (1)

Publication Number Publication Date
WO2016080047A1 true WO2016080047A1 (fr) 2016-05-26

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PCT/JP2015/074534 WO2016080047A1 (fr) 2014-11-19 2015-08-28 Support pour dispositif d'amortissement des vibrations et dispositif d'amortissement des vibrations

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JP (1) JP6410577B2 (fr)
WO (1) WO2016080047A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114245851A (zh) * 2019-06-11 2022-03-25 山下橡胶株式会社 防振装置和托架
CN115182954A (zh) * 2021-03-22 2022-10-14 住友理工株式会社 带托架的防振装置及其制造方法

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6329913B2 (ja) * 2015-01-28 2018-05-23 株式会社ブリヂストン 防振装置用ブラケットおよび防振装置

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JPH05238274A (ja) * 1992-02-26 1993-09-17 Mazda Motor Corp 車両のパワーユニットマウント構造
FR2806035A1 (fr) * 2000-03-08 2001-09-14 Peugeot Citroen Automobiles Sa Dispositif de fixation d'une barre anti-devers d'un vehicule automobile a la caisse de celui-ci
WO2004038250A1 (fr) * 2002-10-23 2004-05-06 Trelleborg Automotive Technical Centre Gmbh Support elastique destine, en particulier, a supporter une boite de vitesses ou le moteur d'un vehicule automobile
JP2006177544A (ja) * 2004-08-31 2006-07-06 Tokai Rubber Ind Ltd エンジンマウント
JP2006234046A (ja) * 2005-02-24 2006-09-07 Bridgestone Corp 防振装置
JP2009293766A (ja) * 2008-06-09 2009-12-17 Bridgestone Corp 防振装置
JP2010084918A (ja) * 2008-10-02 2010-04-15 Bridgestone Corp 防振装置
JP2010184626A (ja) * 2009-02-13 2010-08-26 Toyo Tire & Rubber Co Ltd 防振装置および車両
JP2011214608A (ja) * 2010-03-31 2011-10-27 Bridgestone Corp 防振装置
JP2011252572A (ja) * 2010-06-03 2011-12-15 Bridgestone Corp 防振装置、及び、防振装置用ブラケット
JP2011256958A (ja) * 2010-06-10 2011-12-22 Bridgestone Corp 防振装置、及び、防振装置用ブラケット
JP2014066334A (ja) * 2012-09-27 2014-04-17 Tokai Rubber Ind Ltd ストッパゴム付き防振装置
JP2015148240A (ja) * 2014-02-05 2015-08-20 スズキ株式会社 防振マウント装置

Patent Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05238274A (ja) * 1992-02-26 1993-09-17 Mazda Motor Corp 車両のパワーユニットマウント構造
FR2806035A1 (fr) * 2000-03-08 2001-09-14 Peugeot Citroen Automobiles Sa Dispositif de fixation d'une barre anti-devers d'un vehicule automobile a la caisse de celui-ci
WO2004038250A1 (fr) * 2002-10-23 2004-05-06 Trelleborg Automotive Technical Centre Gmbh Support elastique destine, en particulier, a supporter une boite de vitesses ou le moteur d'un vehicule automobile
JP2006177544A (ja) * 2004-08-31 2006-07-06 Tokai Rubber Ind Ltd エンジンマウント
JP2006234046A (ja) * 2005-02-24 2006-09-07 Bridgestone Corp 防振装置
JP2009293766A (ja) * 2008-06-09 2009-12-17 Bridgestone Corp 防振装置
JP2010084918A (ja) * 2008-10-02 2010-04-15 Bridgestone Corp 防振装置
JP2010184626A (ja) * 2009-02-13 2010-08-26 Toyo Tire & Rubber Co Ltd 防振装置および車両
JP2011214608A (ja) * 2010-03-31 2011-10-27 Bridgestone Corp 防振装置
JP2011252572A (ja) * 2010-06-03 2011-12-15 Bridgestone Corp 防振装置、及び、防振装置用ブラケット
JP2011256958A (ja) * 2010-06-10 2011-12-22 Bridgestone Corp 防振装置、及び、防振装置用ブラケット
JP2014066334A (ja) * 2012-09-27 2014-04-17 Tokai Rubber Ind Ltd ストッパゴム付き防振装置
JP2015148240A (ja) * 2014-02-05 2015-08-20 スズキ株式会社 防振マウント装置

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114245851A (zh) * 2019-06-11 2022-03-25 山下橡胶株式会社 防振装置和托架
US20220260131A1 (en) * 2019-06-11 2022-08-18 Yamashita Rubber Co., Ltd. Vibration proofing device and bracket
US11927234B2 (en) 2019-06-11 2024-03-12 Yamashita Rubber Co., Ltd. Vibration proofing device and bracket
CN115182954A (zh) * 2021-03-22 2022-10-14 住友理工株式会社 带托架的防振装置及其制造方法
CN115182954B (zh) * 2021-03-22 2023-05-16 住友理工株式会社 带托架的防振装置及其制造方法

Also Published As

Publication number Publication date
JP6410577B2 (ja) 2018-10-24
JP2016098875A (ja) 2016-05-30

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