JP4928600B2 - マスト式リフト及びマスト式リフトシステム - Google Patents
マスト式リフト及びマスト式リフトシステム Download PDFInfo
- Publication number
- JP4928600B2 JP4928600B2 JP2009501548A JP2009501548A JP4928600B2 JP 4928600 B2 JP4928600 B2 JP 4928600B2 JP 2009501548 A JP2009501548 A JP 2009501548A JP 2009501548 A JP2009501548 A JP 2009501548A JP 4928600 B2 JP4928600 B2 JP 4928600B2
- Authority
- JP
- Japan
- Prior art keywords
- mast
- lift
- lift system
- lifting
- work platform
- Prior art date
- Legal status (The legal status 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 status listed.)
- Active
Links
- 230000007246 mechanism Effects 0.000 claims description 5
- 238000004804 winding Methods 0.000 claims description 5
- 230000007423 decrease Effects 0.000 claims description 4
- 230000008901 benefit Effects 0.000 description 5
- 238000010521 absorption reaction Methods 0.000 description 3
- 230000035939 shock Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- KJLPSBMDOIVXSN-UHFFFAOYSA-N 4-[4-[2-[4-(3,4-dicarboxyphenoxy)phenyl]propan-2-yl]phenoxy]phthalic acid Chemical compound C=1C=C(OC=2C=C(C(C(O)=O)=CC=2)C(O)=O)C=CC=1C(C)(C)C(C=C1)=CC=C1OC1=CC=C(C(O)=O)C(C(O)=O)=C1 KJLPSBMDOIVXSN-UHFFFAOYSA-N 0.000 description 1
- 241001503987 Clematis vitalba Species 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F11/00—Lifting devices specially adapted for particular uses not otherwise provided for
- B66F11/04—Lifting devices specially adapted for particular uses not otherwise provided for for movable platforms or cabins, e.g. on vehicles, permitting workmen to place themselves in any desired position for carrying out required operations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F17/00—Safety devices, e.g. for limiting or indicating lifting force
- B66F17/006—Safety devices, e.g. for limiting or indicating lifting force for working platforms
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Forklifts And Lifting Vehicles (AREA)
- Types And Forms Of Lifts (AREA)
- Earth Drilling (AREA)
Description
Claims (12)
- マスト式リフトであって、
マスト基部上に支持されるマストと、
上記マストに移動可能に固定される作業プラットフォームと、
上記作業プラットフォームと上記マストの間に連結され、上記作業プラットフォームの上記マストにおける昇降をもたらすリフトシステムとを備え、
上記リフトシステムは、上記リフトシステムの過負荷及び上記リフトシステムが移動範囲の端部にあることの少なくとも一つが起こったときにスリップする過負荷クラッチと、上記リフトシステムが最大降下位置をこえて動くことを防止するオーバーランブレーキと、係合位置の方に付勢されている緊急ブレーキと、一端から巻き上げドラムに巻くことができ、且つ上記マストの他端で固定される少なくとも1本の昇降用ロープと、上記緊急ブレーキに連結され、且つ上記マストの上記他端と上記巻き上げドラムとの間に配置されるアイドラローラであって、上記昇降用ロープの張力が上記アイドラローラを動かして上記緊急ブレーキを係合解除位置に維持するように、上記少なくとも1本の昇降用ロープと協働して係合可能な上記アイドラローラを含むマスト式リフト。 - 上記リフトシステムが、上記巻き上げドラムに動作可能に連結されるウォーム駆動ギアボックスであって、駆動源と連結可能な駆動シャフトを介して駆動される上記ウォーム駆動ギアボックスを備える請求項1に記載のマスト式リフト。
- 上記リフトシステムは2本の昇降用ロープを備える請求項1に記載のマスト式リフト。
- 上記作業プラットフォームと上記マスト基部の間に取り付けられたエネルギー吸収部材をさらに備える請求項1に記載のマスト式リフト。
- 上記駆動源は、電源装置及び手持ち式パワードリルの一方である請求項2に記載のマスト式リフト。
- 上記駆動シャフトが係合解除位置の方に付勢されており、それにより上記駆動シャフトが作動するには前記付勢に対して反対の力を必要とする請求項5に記載のマスト式リフト。
- 上記オーバーランブレーキは噛み合いクラッチと協働可能なブレーキレバーを備え、上記昇降用ロープの張力が低下する際に、上記ブレーキレバーは上記噛み合いクラッチを変位させて上記ウォーム駆動ギアボックスに係合させることによって、上記ウォーム駆動ギアボックスを止めさせる請求項2に記載のマスト式リフト。
- 上記噛み合いクラッチは、上記作業プラットフォームの上昇を許容するが、上記作業プラットフォームの降下を防止する一方向噛み合いクラッチを含む請求項7に記載のマスト式リフト。
- 上記リフトシステムの重量は、約14kgである請求項1に記載のマスト式リフト。
- 上記マスト式リフトが自立型であるように上記マスト基部が構成されている請求項1に記載のマスト式リフト。
- 上記作業プラットフォームが停止された場合に、上記リフトシステムが動くことを防止するように、上記オーバーランブレーキが構成されている請求項1に記載のマスト式リフト。
- 作業プラットフォームとマストの間に連結可能で、上記作業プラットフォームの上記マストにおける昇降をもたらすリフトシステムであって、
上記リフトシステムは、上記リフトシステムの過負荷及び上記リフトシステムの移動範囲の端部への到達の少なくとも一つが起こったときにスリップする過負荷クラッチと、上記リフトシステムが最大降下位置をこえて動くことを防止するオーバーランブレーキと、係合位置の方に付勢されている緊急ブレーキと、一端から巻き上げドラムに巻くことができ、且つ上記マストの他端で固定可能な少なくとも1本の昇降用ロープと、上記緊急ブレーキに連結されるアイドラローラであって、上記昇降用ロープの張力が上記アイドラローラを動かして上記緊急ブレーキを係合解除位置に維持するように、上記少なくとも1本の昇降用ロープと協働して係合可能な上記アイドラローラとを含むリフトシステム。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US78447306P | 2006-03-22 | 2006-03-22 | |
US60/784,473 | 2006-03-22 | ||
PCT/US2007/007060 WO2007111913A2 (en) | 2006-03-22 | 2007-03-22 | Mast lift and mast lift system |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2009530213A JP2009530213A (ja) | 2009-08-27 |
JP2009530213A5 JP2009530213A5 (ja) | 2010-04-02 |
JP4928600B2 true JP4928600B2 (ja) | 2012-05-09 |
Family
ID=38541639
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2009501548A Active JP4928600B2 (ja) | 2006-03-22 | 2007-03-22 | マスト式リフト及びマスト式リフトシステム |
Country Status (8)
Country | Link |
---|---|
US (2) | US8505688B2 (ja) |
EP (1) | EP1999056B1 (ja) |
JP (1) | JP4928600B2 (ja) |
CN (1) | CN101432494B (ja) |
AU (1) | AU2007231586B2 (ja) |
CA (1) | CA2647034C (ja) |
ES (1) | ES2388721T3 (ja) |
WO (1) | WO2007111913A2 (ja) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
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US8292039B2 (en) * | 2006-03-22 | 2012-10-23 | Jlg Industries, Inc. | Mast lift and mast lift system |
US7766750B2 (en) * | 2006-10-17 | 2010-08-03 | Jlg Industries, Inc. | Slip clutch |
EP2318633B1 (en) | 2008-08-06 | 2016-01-06 | Safepro, L.P. | Safety hatch system |
US8297405B2 (en) * | 2009-01-15 | 2012-10-30 | Superior Rig Solutions, Inc. | Adjustable work platform for pipe and casing stabbing operations |
US8726577B2 (en) | 2009-06-26 | 2014-05-20 | SafePro, L.P. | Integrated safety rail protection system |
US9878889B2 (en) | 2010-08-17 | 2018-01-30 | Jlg Industries, Inc. | Mast lift using multi-stage mast module |
US8794386B2 (en) * | 2011-07-01 | 2014-08-05 | Cardinal Gibbons High School | Folding forklift |
US9717232B1 (en) * | 2016-08-23 | 2017-08-01 | Kadry Abouelmakarem | Electrically controlled movable tree stand for supporting a person |
US10159242B2 (en) | 2016-08-23 | 2018-12-25 | Kadry Abouelmakarem | Electrically controlled movable tree stand for supporting a person |
WO2018165144A1 (en) * | 2017-03-06 | 2018-09-13 | Krinjak Paul John | Emergency medical services lifting device |
US10519014B2 (en) | 2017-06-30 | 2019-12-31 | Mezzanine Safeti-Gates, Inc. | Safety barrier for loading dock lift |
PL70840Y1 (pl) * | 2017-08-18 | 2019-06-28 | Przed Hak Spolka Z Ograniczona Odpowiedzialnoscia | Podest roboczy przejezdny z napędem ręcznym |
CN110526147B (zh) * | 2019-08-27 | 2021-10-22 | 成都金瑞建工机械有限公司 | 一种斗提搅拌站料斗保护装置 |
US20210246008A1 (en) * | 2020-02-12 | 2021-08-12 | Gana Kiritharan | Wheel-operated tree climbing apparatus and method |
CN112062032B (zh) * | 2020-09-03 | 2021-06-11 | 安徽东大建筑工程有限公司 | 一种可辅助筛沙的提升机 |
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-
2007
- 2007-03-22 CA CA2647034A patent/CA2647034C/en active Active
- 2007-03-22 US US12/293,759 patent/US8505688B2/en active Active
- 2007-03-22 ES ES07753668T patent/ES2388721T3/es active Active
- 2007-03-22 JP JP2009501548A patent/JP4928600B2/ja active Active
- 2007-03-22 WO PCT/US2007/007060 patent/WO2007111913A2/en active Application Filing
- 2007-03-22 CN CN2007800152619A patent/CN101432494B/zh active Active
- 2007-03-22 AU AU2007231586A patent/AU2007231586B2/en active Active
- 2007-03-22 EP EP07753668A patent/EP1999056B1/en active Active
-
2013
- 2013-05-07 US US13/888,647 patent/US20130240296A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
AU2007231586B2 (en) | 2011-03-10 |
WO2007111913A3 (en) | 2008-12-18 |
US8505688B2 (en) | 2013-08-13 |
US20130240296A1 (en) | 2013-09-19 |
CA2647034A1 (en) | 2007-10-04 |
WO2007111913A2 (en) | 2007-10-04 |
US20100294594A1 (en) | 2010-11-25 |
CN101432494B (zh) | 2011-07-20 |
JP2009530213A (ja) | 2009-08-27 |
ES2388721T3 (es) | 2012-10-18 |
EP1999056B1 (en) | 2012-06-27 |
EP1999056A2 (en) | 2008-12-10 |
CA2647034C (en) | 2012-01-10 |
CN101432494A (zh) | 2009-05-13 |
AU2007231586A1 (en) | 2007-10-04 |
EP1999056A4 (en) | 2010-03-17 |
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