JP2011144044A5 - - Google Patents
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- JP2011144044A5 JP2011144044A5 JP2010159545A JP2010159545A JP2011144044A5 JP 2011144044 A5 JP2011144044 A5 JP 2011144044A5 JP 2010159545 A JP2010159545 A JP 2010159545A JP 2010159545 A JP2010159545 A JP 2010159545A JP 2011144044 A5 JP2011144044 A5 JP 2011144044A5
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- seismic isolation
- isolation device
- seismic
- traveling
- hydraulic cylinder
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- 238000002955 isolation Methods 0.000 claims description 43
- 210000002414 Leg Anatomy 0.000 claims description 4
- 210000001699 lower leg Anatomy 0.000 claims description 4
- 210000000689 upper leg Anatomy 0.000 claims description 4
Description
［１］脚部を備えて門形に構成されたクレーン本体とそのクレーン本体をレールに沿って走行させるための車輪を備えた走行装置とを有する走行式クレーンにおける免震構造であって、
前記クレーン本体と前記走行装置の間に、前記レールの延設方向に直交する水平方向に動作する下部免震装置が配置されているとともに、前記脚部が上部脚部と下部脚部に分割されていて、その上部脚部と下部脚部の間に、前記レールの延設方向に直交する水平方向に動作する上部免震装置が配置されており、前記上部免震装置と前記下部免震装置は、それぞれスライド機構と復元要素と減衰要素によって構成されていて、前記上部免震装置のストロークが前記下部免震装置のストロークよりも大きいことを特徴とする走行式クレーンの免震構造。
[1] A seismic isolation structure in a traveling crane having a crane main body configured in a gate shape with legs and a traveling device having wheels for traveling the crane main body along a rail,
A lower seismic isolation device that operates in a horizontal direction orthogonal to the extending direction of the rail is disposed between the crane body and the traveling device, and the leg portion is divided into an upper leg portion and a lower leg portion. An upper seismic isolation device that operates in a horizontal direction perpendicular to the extending direction of the rail is disposed between the upper leg portion and the lower leg portion, and the upper seismic isolation device and the lower seismic isolation device Are constituted by a slide mechanism, a restoring element and a damping element, respectively, and the stroke of the upper seismic isolation device is larger than the stroke of the lower seismic isolation device .
［２］地震動が所定のレベルに達した時に前記上部免震装置と前記下部免震装置が作動するようにするためのトリガ装置が配置されていることを特徴とする前記［１］に記載の走行式クレーンの免震構造。 [2] ground motion according to [1], wherein the upper seismic isolation device as a trigger device for the lower seismic isolation device to operate is located when it reaches a predetermined level Seismic isolation structure for traveling crane.
［３］前記トリガ装置は、地震動が所定のレベルに達した時に、前記上部免震装置および前記下部免震装置に発生する慣性力により自ら破断することによって、前記上部免震装置と前記下部免震装置が作動するようになっていることを特徴とする前記［２］に記載の走行式クレーンの免震構造。 [ 3 ] When the seismic motion reaches a predetermined level, the trigger device breaks itself by inertia force generated in the upper seismic isolation device and the lower seismic isolation device, so that the upper seismic isolation device and the lower seismic isolation device The seismic isolation system for a traveling crane according to [ 2 ], wherein the seismic device is activated.
［４］前記トリガ装置は、油圧シリンダを備えており、地震動による慣性力をセンサにより検知し、地震動が所定のレベルに達した時に、前記油圧シリンダのロックを解除して、前記上部免震装置と前記下部免震装置が作動するようになっていることを特徴とする前記［２］に記載の走行式クレーンの免震構造。 [ 4 ] The trigger device includes a hydraulic cylinder, detects inertial force due to seismic motion with a sensor, releases the lock of the hydraulic cylinder when the seismic motion reaches a predetermined level, and the upper seismic isolation device. The seismic isolation structure for a traveling crane according to [ 2 ], wherein the lower seismic isolation device operates.
［５］前記トリガ装置は、油圧シリンダを備えており、緊急地震速報や地震計などの地震情報に基づいて、地震動が所定のレベルに達した時に、前記油圧シリンダのロックを解除することを特徴とする前記［２］に記載の走行式クレーンの免震構造。 [ 5 ] The trigger device includes a hydraulic cylinder, and when the earthquake motion reaches a predetermined level, the hydraulic cylinder is unlocked based on earthquake information such as an earthquake early warning or a seismometer. The seismic isolation structure for a traveling crane as described in [ 2 ] above.
［６］前記上部免震装置と前記下部免震装置のそれぞれのばね要素と並列に油圧シリンダや電動シリンダなどの力発生装置を配置し、能動的に振動を制御することを特徴とする前記［１］〜［５］のいずれかに記載の走行式クレーンの免震構造。 [ 6 ] The vibration generator is actively controlled by arranging a force generating device such as a hydraulic cylinder or an electric cylinder in parallel with the respective spring elements of the upper and lower seismic isolation devices. The seismic isolation structure of the traveling crane according to any one of 1] to [ 5 ].
Claims (6)
前記クレーン本体と前記走行装置の間に、前記レールの延設方向に直交する水平方向に動作する下部免震装置が配置されているとともに、前記脚部が上部脚部と下部脚部に分割されていて、その上部脚部と下部脚部の間に、前記レールの延設方向に直交する水平方向に動作する上部免震装置が配置されており、前記上部免震装置と前記下部免震装置は、それぞれスライド機構と復元要素と減衰要素によって構成されていて、前記上部免震装置のストロークが前記下部免震装置のストロークよりも大きいことを特徴とする走行式クレーンの免震構造。 A seismic isolation structure in a traveling crane having a crane main body configured in a portal shape with legs and a traveling device having wheels for traveling the crane main body along a rail,
A lower seismic isolation device that operates in a horizontal direction orthogonal to the extending direction of the rail is disposed between the crane body and the traveling device, and the leg portion is divided into an upper leg portion and a lower leg portion. An upper seismic isolation device that operates in a horizontal direction perpendicular to the extending direction of the rail is disposed between the upper leg portion and the lower leg portion, and the upper seismic isolation device and the lower seismic isolation device Are constituted by a slide mechanism, a restoring element and a damping element, respectively, and the stroke of the upper seismic isolation device is larger than the stroke of the lower seismic isolation device .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010159545A JP5018936B2 (en) | 2010-07-14 | 2010-07-14 | Seismic isolation structure for traveling crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010159545A JP5018936B2 (en) | 2010-07-14 | 2010-07-14 | Seismic isolation structure for traveling crane |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2011144044A JP2011144044A (en) | 2011-07-28 |
| JP2011144044A5 true JP2011144044A5 (en) | 2012-03-22 |
| JP5018936B2 JP5018936B2 (en) | 2012-09-05 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2010159545A Active JP5018936B2 (en) | 2010-07-14 | 2010-07-14 | Seismic isolation structure for traveling crane |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP5018936B2 (en) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5421417B2 (en) * | 2012-03-16 | 2014-02-19 | 三井造船株式会社 | Quay crane |
| US9365397B2 (en) | 2012-03-23 | 2016-06-14 | Mitsui Engineering & Shipbuilding Co., Ltd. | Quay crane |
| JP5938590B2 (en) * | 2012-04-11 | 2016-06-22 | 三井造船株式会社 | crane |
| JP6324763B2 (en) * | 2013-03-13 | 2018-05-16 | 住友重機械搬送システム株式会社 | crane |
| JP5968821B2 (en) * | 2013-03-29 | 2016-08-10 | 三井造船株式会社 | Quay crane |
| JP5497959B2 (en) * | 2013-11-20 | 2014-05-21 | 三井造船株式会社 | Quay crane |
| JP6243256B2 (en) * | 2014-02-26 | 2017-12-06 | 住友重機械搬送システム株式会社 | Traveling cargo handling equipment |
| JP6100193B2 (en) * | 2014-03-31 | 2017-03-22 | 三井造船株式会社 | crane |
| JP6258117B2 (en) * | 2014-04-30 | 2018-01-10 | 住友重機械搬送システム株式会社 | Seismic isolation performance maintaining method |
| CN108217450B (en) * | 2016-12-29 | 2019-12-06 | 中交机电工程局有限公司 | splicing type emergency gantry crane for port cargo transfer and working method thereof |
| JP2019142642A (en) * | 2018-02-20 | 2019-08-29 | 株式会社三井Ｅ＆Ｓマシナリー | Quay crane |
| CN114180453B (en) * | 2022-02-17 | 2022-04-26 | 河南工学院 | Anti-tipping mechanism of crane |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4705224B2 (en) * | 2000-05-26 | 2011-06-22 | 三井造船株式会社 | crane |
| JP2006144476A (en) * | 2004-11-24 | 2006-06-08 | Chiba Univ | Base-isolating device and building structure |
| JP2007321853A (en) * | 2006-05-31 | 2007-12-13 | Tama Tlo Kk | Base isolating device and base isolated structure |
| JP5143113B2 (en) * | 2009-11-30 | 2013-02-13 | 三井造船株式会社 | Quay crane |
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2010
- 2010-07-14 JP JP2010159545A patent/JP5018936B2/en active Active
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