JP7467195B2 - ブーム式作業車 - Google Patents
ブーム式作業車 Download PDFInfo
- Publication number
- JP7467195B2 JP7467195B2 JP2020056763A JP2020056763A JP7467195B2 JP 7467195 B2 JP7467195 B2 JP 7467195B2 JP 2020056763 A JP2020056763 A JP 2020056763A JP 2020056763 A JP2020056763 A JP 2020056763A JP 7467195 B2 JP7467195 B2 JP 7467195B2
- Authority
- JP
- Japan
- Prior art keywords
- boom
- counterweight
- support shaft
- cylinder
- base
- 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 18
- 230000001681 protective effect Effects 0.000 claims description 2
- 238000005452 bending Methods 0.000 description 17
- 239000010720 hydraulic oil Substances 0.000 description 14
- 230000007935 neutral effect Effects 0.000 description 11
- 230000005484 gravity Effects 0.000 description 3
- 230000004044 response Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000004804 winding Methods 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
- B66F11/044—Working platforms suspended from booms
- B66F11/046—Working platforms suspended from booms of the telescoping type
-
- 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
- B66C23/06—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 with jibs mounted for jibbing or luffing movements
- B66C23/08—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 with jibs mounted for jibbing or luffing movements and adapted to move the loads in predetermined paths
- B66C23/10—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 with jibs mounted for jibbing or luffing movements and adapted to move the loads in predetermined paths the paths being substantially horizontal; Level-luffing jib-cranes
- B66C23/14—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 with jibs mounted for jibbing or luffing movements and adapted to move the loads in predetermined paths the paths being substantially horizontal; Level-luffing jib-cranes with means, e.g. pantograph arrangements, for varying jib configuration
-
- 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
- B66C23/72—Counterweights or supports for balancing lifting couples
-
- 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)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Forklifts And Lifting Vehicles (AREA)
- Jib Cranes (AREA)
Description
10 走行体
12 操舵輪
20 旋回台
23 駆動リンク
24 従動リンク
30 ブーム
35 ブーム起伏シリンダ
37 カウンタウエイト
40 作業台
45 屈伸アーム
50 コントローラ
70 操作装置
Claims (4)
- 走行可能な走行体と、
前記走行体に旋回可能に設けられた旋回台と、
先端側に作業装置が設けられ、後端側にカウンタウエイトが設けられたブームと、
前記旋回台に対して前記ブームを起伏可能に支持するリンク機構と、
前記リンク機構および前記ブームを起伏させるブーム起伏シリンダと、を備え、
前記リンク機構は、
一方端が前記旋回台に設けられた第1支持軸によって軸支され、他方端が前記ブームの基端部に設けられた第2支持軸によって軸支された従動リンクと、
一方端が前記旋回台に前記第1支持軸よりも前記ブームの先端側に設けられた第3支持軸によって軸支され、他方端が前記ブームに前記第2支持軸よりも前記ブームの先端側に設けられた第4支持軸によって軸支された駆動リンクと、により構成され、
前記ブーム起伏シリンダが前記駆動リンクと前記ブームとに軸支され、
前記ブーム起伏シリンダが伸長することによって前記ブームが倒伏状態から起立するときに、前記リンク機構の起立により前記ブームの起伏中心が、前記倒伏状態における位置よりも上昇しつつ前記旋回台の旋回中心に近づくように移動することを特徴とするブーム式作業車。 - 前記旋回台は、前記ブームの倒伏状態から起立状態への起伏作動に伴う前記カウンタウエイトが移動する範囲内において、前記カウンタウエイトの側方及び後方部分を外方に対して保護する保護部材を有することを特徴とする請求項1に記載のブーム式作業車。
- 前記作業装置は、作業者が搭乗可能な作業台であることを特徴とする請求項1または2に記載のブーム式作業車。
- 前記作業装置は、荷物を吊架した状態で昇降可能な吊上装置であることを特徴とする請求項1または2に記載のブーム式作業車。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2020056763A JP7467195B2 (ja) | 2020-03-26 | 2020-03-26 | ブーム式作業車 |
EP21161907.7A EP3896025B1 (en) | 2020-03-26 | 2021-03-11 | Boom type vehicle |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2020056763A JP7467195B2 (ja) | 2020-03-26 | 2020-03-26 | ブーム式作業車 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2021155170A JP2021155170A (ja) | 2021-10-07 |
JP7467195B2 true JP7467195B2 (ja) | 2024-04-15 |
Family
ID=74871181
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2020056763A Active JP7467195B2 (ja) | 2020-03-26 | 2020-03-26 | ブーム式作業車 |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP3896025B1 (ja) |
JP (1) | JP7467195B2 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114852932B (zh) * | 2022-05-20 | 2023-10-27 | 中国建筑第二工程局有限公司 | 一种民用住宅施工的组合式升降装置 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3196979A (en) * | 1961-08-22 | 1965-07-27 | Eaton Metal Products Company | Workman's cage or aerial basket |
US5669517A (en) | 1996-06-11 | 1997-09-23 | Genie Industries, Inc. | Articulating boom incorporating a linkage counterweight |
US6341665B1 (en) | 1999-09-13 | 2002-01-29 | Grove U.S. L.L.C. | Retractable counterweight for straight-boom aerial work platform |
IT201700037143A1 (it) * | 2017-04-05 | 2018-10-05 | Jacques Tranchero | Gru con sistema antiribaltamento settoriale |
-
2020
- 2020-03-26 JP JP2020056763A patent/JP7467195B2/ja active Active
-
2021
- 2021-03-11 EP EP21161907.7A patent/EP3896025B1/en active Active
Also Published As
Publication number | Publication date |
---|---|
EP3896025A1 (en) | 2021-10-20 |
EP3896025B1 (en) | 2024-04-10 |
JP2021155170A (ja) | 2021-10-07 |
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