JP4903544B2 - 錘落下装置 - Google Patents
錘落下装置 Download PDFInfo
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- JP4903544B2 JP4903544B2 JP2006334224A JP2006334224A JP4903544B2 JP 4903544 B2 JP4903544 B2 JP 4903544B2 JP 2006334224 A JP2006334224 A JP 2006334224A JP 2006334224 A JP2006334224 A JP 2006334224A JP 4903544 B2 JP4903544 B2 JP 4903544B2
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- weight
- suspension rod
- dropping
- holding cylinder
- hydraulic
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- 239000000725 suspension Substances 0.000 claims description 33
- 238000010998 test method Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 description 13
- 238000006243 chemical reaction Methods 0.000 description 8
- 239000003380 propellant Substances 0.000 description 4
- 230000008602 contraction Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000000567 combustion gas Substances 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 239000002360 explosive Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000035807 sensation Effects 0.000 description 1
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Description
12 坑
14 杭頭部
16 計測器
20 錘
22 載荷架台
24 引上げ落下制御部
26 吊りロッド
28 吊上げシリンダー
30 保持シリンダー
32 貫通孔
34 筐体
Claims (5)
- 地盤中に埋設された杭の杭頭部に、上方から錘を落下させて、その際の落下衝撃に基づいて、前記杭の支持力を求める試験方法に用いる錘落下装置において、
前記杭頭部の直上に前記錘を上下移動可能に案内する載荷架台と、
前記錘の引上げ落下制御部とを備え、
前記引上げ落下制御部は、前記錘が下端に固定された吊りロッドと、
前記吊りロッドとピンを介して離脱可能に連結され、前記吊りロッドを前記錘ともに上方に引き上げる吊上げシリンダーと、
前記吊りロッドと離脱可能に連結され、連結状態で前記吊りロッドを引き上げ位置に保持するとともに、連結解除状態で前記錘を前記吊りロッドともに前記載荷架台に沿って落下させる保持シリンダーとを有することを特徴とする錘落下装置。 - 前記吊りロッドは、前記ピンを差し込む貫通孔が、軸方向に沿って複数設けられていることを特徴とする請求項1記載の錘落下装置。
- 前記吊上げシリンダーと保持シリンダーとは、前記載荷架台に搭載されることを特徴とする請求項1または2記載の錘落下装置。
- 前記引上げ落下制御部は、前記吊上げシリンダーと保持シリンダーとに接続される切り替えバルブ,ストップバルブ,分配器を備え、
前記バルブおよび分配器は、油圧ホースを通じて油圧ポンプと連結することを特徴とした請求項1記載の錘落下装置。 - 前記引上げ落下制御部は、前記吊上げシリンダーと保持シリンダーとのピストンを一方に移動させる油圧回路と、前記吊上げシリンダーと保持シリンダーのピストンを他方に移動させる油圧回路と、前記一対の油圧回路を区別して送油する送油切り替え用操作レバーとを有することを特徴とする請求項1記載の錘落下装置。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006334224A JP4903544B2 (ja) | 2006-12-12 | 2006-12-12 | 錘落下装置 |
Applications Claiming Priority (1)
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---|---|---|---|
JP2006334224A JP4903544B2 (ja) | 2006-12-12 | 2006-12-12 | 錘落下装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008144499A JP2008144499A (ja) | 2008-06-26 |
JP4903544B2 true JP4903544B2 (ja) | 2012-03-28 |
Family
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Family Applications (1)
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JP2006334224A Active JP4903544B2 (ja) | 2006-12-12 | 2006-12-12 | 錘落下装置 |
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JP (1) | JP4903544B2 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109736288A (zh) * | 2019-01-24 | 2019-05-10 | 魏立恒 | 一种路基压实度检测方法及其检测装置 |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5443911B2 (ja) * | 2009-09-14 | 2014-03-19 | システム計測株式会社 | 載荷装置 |
CN102607970B (zh) * | 2012-03-28 | 2014-12-10 | 上汽通用五菱汽车股份有限公司 | 一种自由落体冲击试验装置 |
JP6948138B2 (ja) * | 2017-03-31 | 2021-10-13 | 日鉄建材株式会社 | 落下試験用の物体保持装置、及び落下試験方法 |
CN114705551B (zh) * | 2022-04-22 | 2022-10-18 | 青岛德泰建设工程有限公司 | 一种针对临时性建筑房屋的安全检测装置 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
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FR2461066A1 (fr) * | 1979-07-09 | 1981-01-30 | Coelus Gaspar | Procede et appareil d'essai dynamique de pieux |
JPS57128631A (en) * | 1981-02-02 | 1982-08-10 | Takeda Chem Ind Ltd | Novel physiologically active substance |
JPH0621456B2 (ja) * | 1988-05-30 | 1994-03-23 | 忠彌 恩田 | 杭の圧入方法及び圧入装置 |
JP4098100B2 (ja) * | 2003-01-21 | 2008-06-11 | システム計測株式会社 | 錘の落下装置およびこれを使用した錘の落下方法 |
JP4098199B2 (ja) * | 2003-09-04 | 2008-06-11 | システム計測株式会社 | 錘の切り放し装置、錘の落下装置及び錘の落下方法 |
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2006
- 2006-12-12 JP JP2006334224A patent/JP4903544B2/ja active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109736288A (zh) * | 2019-01-24 | 2019-05-10 | 魏立恒 | 一种路基压实度检测方法及其检测装置 |
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JP2008144499A (ja) | 2008-06-26 |
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