JPH08508965A - 伸縮自在のクレーンブーム用の装置 - Google Patents
伸縮自在のクレーンブーム用の装置Info
- Publication number
- JPH08508965A JPH08508965A JP6523052A JP52305294A JPH08508965A JP H08508965 A JPH08508965 A JP H08508965A JP 6523052 A JP6523052 A JP 6523052A JP 52305294 A JP52305294 A JP 52305294A JP H08508965 A JPH08508965 A JP H08508965A
- Authority
- JP
- Japan
- Prior art keywords
- boom
- holder
- cylinder
- male
- partial spherical
- 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.)
- Granted
Links
- 230000008878 coupling Effects 0.000 claims abstract description 11
- 238000010168 coupling process Methods 0.000 claims abstract description 11
- 238000005859 coupling reaction Methods 0.000 claims abstract description 11
- 238000000034 method Methods 0.000 claims description 7
- 238000002360 preparation method Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
- B66C23/64—Jibs
- B66C23/70—Jibs constructed of sections adapted to be assembled to form jibs or various lengths
- B66C23/701—Jibs constructed of sections adapted to be assembled to form jibs or various lengths telescopic
- B66C23/705—Jibs constructed of sections adapted to be assembled to form jibs or various lengths telescopic telescoped by hydraulic jacks
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jib Cranes (AREA)
- Pivots And Pivotal Connections (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1.管状のベースブーム部分の他に、同ベースブーム部分内に入れ子式に配列 され且つ各々が管状部材(2)と同管状部材の外方端部(5)に取り付けられた ホルダー(3)とから構成された1以上のブーム部分(1)を含むタイプの伸長 可能なクレーンブーム、例えば外側ブームに設けられる装置であり、且つクレー ンブーム全体を長くしたり短くしたりするためにすぐ前隣のブーム部分から或は 同ブーム部分内へと個々のブーム部分を移動させる機能を果たすダブルアクショ ン形式で作動する液圧シリンダ(6)のための付属部品として機能する装置であ って、 各々の液圧シリンダ(6)におけるシリンダ部材(7)が、複数例えば4つの ねじ(13)を有するねじ結合と、互いに協働する雄型及び雌型部材(11,9 )とを含む接合装置を介してホルダー(3)に結合されており、前記雄型部材と 雌型部材とのうちの一方が、他方に対向するほぼ部分的な球面(18)を有し、 ねじ結合(13)が緩く締結されているときにシリンダ部材(7)をホルダー( 3)に対する所望の位置に調整することができ、その位置で前記ねじ結合は最終 的に締結される、ことを特徴とする装置。 2.前記部分的な球面(18)が凸状であり且つ雄型部材(11)上に形成さ れていることを特徴とする、請求項1に記載の装置。 3.前記雄型部材がシリンダ部材(7)を包囲しており且つ例えばねじ又は熔 接結合によってシリンダ部材(7)に固定されているリング(11)である、請 求項2に記載の装置。 4.前記雌型部材(9)が、前記部分的な球面の凹状雄型部材(11)を収容 するようになされ且つほぼ円錐形の凹状面(10)によって画成されている着座 面を含む、請求項2又は3に記載の装置。 5.前記部分的な球面(18)が環状であり且つ密着する、請求項1〜4のい ずれか一の項に記載の装置。 6.前記着座面(10)が環状で且つ密着する、請求項4又は5に記載の装置 。
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE9301338-1 | 1993-04-22 | ||
| SE9301338A SE500213C2 (sv) | 1993-04-22 | 1993-04-22 | Anordning vid förlängningsbara kranarmar |
| PCT/SE1994/000333 WO1994024035A1 (en) | 1993-04-22 | 1994-04-15 | Device in extendible crane booms |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH08508965A true JPH08508965A (ja) | 1996-09-24 |
| JP3212608B2 JP3212608B2 (ja) | 2001-09-25 |
Family
ID=20389661
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP52305294A Expired - Lifetime JP3212608B2 (ja) | 1993-04-22 | 1994-04-15 | 伸縮自在のクレーンブーム用の装置 |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US6053341A (ja) |
| EP (1) | EP0697008B1 (ja) |
| JP (1) | JP3212608B2 (ja) |
| AT (1) | ATE181307T1 (ja) |
| AU (1) | AU6585494A (ja) |
| DE (1) | DE69419149T2 (ja) |
| SE (1) | SE500213C2 (ja) |
| WO (1) | WO1994024035A1 (ja) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102008029116A1 (de) * | 2008-06-19 | 2009-12-24 | Manitowoc Crane Group France Sas | Kran-Wippzylinderlagerung mit Kugelkalotte |
| CN110422777B (zh) * | 2019-07-22 | 2021-01-08 | 三一汽车起重机械有限公司 | 伸缩臂及工程机械 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2666417A (en) * | 1950-10-17 | 1954-01-19 | Chester A Harsch | Hydraulic telescopic boom |
| DE1556601A1 (de) * | 1967-08-01 | 1970-03-05 | Linde Ag | Hublader mit einem ausfahrbaren Hubmast |
| DE1943314A1 (de) * | 1969-08-26 | 1971-03-04 | Demag Baumaschinen Gmbh | Teleskopausleger |
| US3700126A (en) * | 1971-08-16 | 1972-10-24 | Joseph R Beaton | Hydraulic boom for earth excavating apparatus |
| JPS5728869Y2 (ja) * | 1973-10-09 | 1982-06-23 |
-
1993
- 1993-04-22 SE SE9301338A patent/SE500213C2/sv not_active IP Right Cessation
-
1994
- 1994-04-15 EP EP94913864A patent/EP0697008B1/en not_active Expired - Lifetime
- 1994-04-15 US US08/537,673 patent/US6053341A/en not_active Expired - Fee Related
- 1994-04-15 JP JP52305294A patent/JP3212608B2/ja not_active Expired - Lifetime
- 1994-04-15 DE DE69419149T patent/DE69419149T2/de not_active Expired - Fee Related
- 1994-04-15 AT AT94913864T patent/ATE181307T1/de not_active IP Right Cessation
- 1994-04-15 AU AU65854/94A patent/AU6585494A/en not_active Abandoned
- 1994-04-15 WO PCT/SE1994/000333 patent/WO1994024035A1/en not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| JP3212608B2 (ja) | 2001-09-25 |
| WO1994024035A1 (en) | 1994-10-27 |
| US6053341A (en) | 2000-04-25 |
| SE9301338D0 (sv) | 1993-04-22 |
| DE69419149D1 (de) | 1999-07-22 |
| SE9301338L (sv) | 1994-05-09 |
| AU6585494A (en) | 1994-11-08 |
| EP0697008A1 (en) | 1996-02-21 |
| SE500213C2 (sv) | 1994-05-09 |
| DE69419149T2 (de) | 1999-11-04 |
| ATE181307T1 (de) | 1999-07-15 |
| EP0697008B1 (en) | 1999-06-16 |
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