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公开(公告)号：EP4389678A1
公开(公告)日：2024-06-26
申请号：EP22215252.2
申请日：2022-12-21
申请人： Hiab AB
CPC分类号： B66C13/46 , F15B15/2815 , B66C23/42 , B66C23/905 , B66C23/705
摘要： A hydraulic cylinder assembly (2) comprising an elongated cylinder housing (4) having a first end (6) and a second end (8), and a movable hydraulic piston (10) arranged within the cylinder housing (4) and configured to move along a longitudinal axis A of the cylinder housing (4) in response to supply and return of hydraulic fluid applied to the cylinder housing, a piston cylinder (12) is attached to the hydraulic piston (10) and configured to move within the cylinder housing (4) together with the piston (10). The hydraulic cylinder assembly (2) further comprises a displacement sensor system, comprising a magnetostrictive detector unit (28) and a magnet (30), arranged to monitor the displacement of the piston (10) relative to the cylinder housing (4). The magnetostrictive detector unit (28) is mounted at a first end (13) of the piston cylinder (12) in connection to a detection rod (14), and said magnet (30) is mounted in a fixed position at a detection rod sleeve (16) by a magnet holder (32). The detector unit (28) is configured to monitor its displacement to said magnet (30) and to generate a displacement signal (34) in relation thereto, and to apply said displacement signal (34) to a displacement signal cable (36).
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公开(公告)号：EP3061718B1
公开(公告)日：2018-09-19
申请号：EP16155964.6
申请日：2016-02-16
申请人： Tadano Ltd.
发明人： KAWABUCHI, Naoto , KAWANO, Takashi
CPC分类号： B66C23/705 , B66C23/22
摘要： A telescopic boom extension device (10) includes a driving mechanism. The driving mechanism that drives B pins (26-30) and a C pin (34) includes a hydraulic supply part (18) and a drive source generation part (19). The drive source generation part generates a predetermined hydraulic pressure at the hydraulic supply part based on a pneumatic pressure. The hydraulic supply part has an accumulator and AOHs and supplies a hydraulic pressure to a cylinder-boom coupling mechanism (15) and an inter-boom fixing mechanism (16). The drive source generation part uses a pneumatic supply part (41) to send compressed air to the hydraulic supply part.
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公开(公告)号：EP3363764A1
公开(公告)日：2018-08-22
申请号：EP16855320.4
申请日：2016-10-05
申请人： Tadano Ltd.
IPC分类号： B66C23/687
CPC分类号： B66C23/702 , B66C23/705 , B66F9/07572 , B66F9/122
摘要： Provided is an operating machine boom configured so that the thickness of a steel plate forming a boom member can be decreased and buckling of the boom member can be reduced.
The operating machine boom is an operating machine boom 40 including a tubular boom member 41 configured such that an upper member 42 and a lower member 43 with U-shaped sections are welded together with each upper flat portion 42a butting with a corresponding one of lower flat portions 43a. A welded portion 41b between the upper member 42 and the lower member 43 is on a compression portion B side with respect to a stress neutral point P at a boundary between a compression portion B at which compression stress is caused and a tension portion A at which tensile stress is caused when a load acts downwardly on a tip end side of the boom member 41, and a reinforcement member 44 is arranged on an inner surface side of the welded portion 41b.-
公开(公告)号：EP3287411A1
公开(公告)日：2018-02-28
申请号：EP17179271.6
申请日：2017-07-03
发明人： Xu, Shugen
CPC分类号： B66F11/046 , A01D46/20 , B66C23/705 , B66F11/044 , B66F17/006
摘要： The present invention relates to field of engineering mechanics and more particularly, relates to an engineering work vehicle, and most particularly, relates to a telescopic connection component (5) and aerial work platform (3). A telescopic connection component for telescopically connecting a telescopic transmission component (2) and an operation platform of an aerial work platform together includes: an outer arm (51), an inner arm (52) slidably disposed inside the outer arm and capable of being moved out from one end of the outer arm, and a forearm telescopic cylinder (53) disposed between the outer arm and inner arm. The telescopic connection component has longer horizontal reach so that the operation platform is capable of moving to a further region in a horizontal direction, thus increasing working range of the aerial work platform. In addition, the telescopic connection component has higher structural strength and stability and accordingly, it also improves safety of the aerial work platform.
摘要翻译： 本发明涉及工程力学领域，尤其涉及一种工程作业车辆，尤其涉及一种伸缩连接部件（5）和高空作业平台（3）。 一种用于将伸缩变速器部件（2）与高空作业平台的操作平台可伸缩地连接在一起的伸缩连接部件，包括：外臂（51）;内臂（52），其可滑动地设置在外臂内并能够移动 从外臂的一端伸出;以及设置在外臂和内臂之间的前臂伸缩缸（53）。 伸缩连接部件具有较长的水平延伸范围，使得操作平台能够沿水平方向移动到更远的区域，从而增加了高空作业平台的工作范围。 另外，伸缩连接部件具有较高的结构强度和稳定性，因此也提高了高空作业平台的安全性。
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公开(公告)号：EP3147252A4
公开(公告)日：2018-01-17
申请号：EP15796683
申请日：2015-05-15
申请人： TADANO LTD
发明人： IKEDA TOMOHIKO , SATO TAKETO
IPC分类号： B66C23/693 , B66C13/20 , B66C23/70
CPC分类号： B66C13/18 , B66C13/20 , B66C23/42 , B66C23/54 , B66C23/701 , B66C23/705
摘要： Provided is an automatic boom extension/contraction device for a work machine in which it is possible to reduce the burden, such as arm or hand fatigue, on a worker inputting an operation for extending or contracting a boom when the worker actuates the boom so as to extend or contact. When, in a state in which an automatic extension/contraction switch (53) is ON, an engine rotation speed equal to or greater than a first predetermined rotation speed (R1) is detected by an engine rotation speed sensor (51) and an operation in which the speed of extension/contraction actuation of a boom (22) is equal to or greater than a predetermined speed is inputted through a boom extension/contraction lever (52), an automatic extension/contraction actuation is performed in which the extension/contraction actuation of the boom (22) is maintained in a state in which an operation of extending/contacting the boom (22) is not inputted through the boom extension/contraction lever (52).
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公开(公告)号：EP3260705A1
公开(公告)日：2017-12-27
申请号：EP16752103.8
申请日：2016-02-10
申请人： Tadano Ltd.
发明人： YAMAMOTO, Koji , MIZOBUCHI, Hiroki
CPC分类号： F16J10/02 , B23K26/21 , B23K26/282 , B66C23/42 , B66C23/705 , F15B15/14 , F15B15/1442 , F16J10/00 , F16J13/00
摘要： Provided is a hydraulic cylinder using oil pressure, etc., the hydraulic cylinder being configured so that the thickness of a head cover, etc. is reduced so that the hydraulic cylinder is lighter and has a small overall length. A head cover (3) which constitutes an end of a cylinder (1) and a cylinder tube (2) which constitutes the cylindrical portion of the cylinder (1) are welded together by a laser beam applied from the outside radially of the cylinder tube (2) toward the inside radially of the cylinder tube (2).
摘要翻译： 本发明提供一种利用油压等的液压缸，该液压缸被构造成使得头罩等的厚度减小，从而液压缸更轻并且具有小的总长度。 构成气缸（1）的端部的气缸盖罩（3）和构成气缸（1）的圆筒部的气缸筒（2）通过从气缸筒的径向外侧施加的激光焊接在一起 （2）朝向缸筒（2）的径向内侧。
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公开(公告)号：EP3199485A2
公开(公告)日：2017-08-02
申请号：EP16201500.2
申请日：2016-11-30
发明人： IOTTI, Marco
CPC分类号： B66C23/705 , B66C23/701 , B66C23/703 , B66C2700/0357 , B66F9/0655 , F15B15/16
摘要： The telescopic lift arm (1) for self-propelled operating machines (10), such a lifters, telehandlers and the like, comprises three tubular elements (21, 22, 23, 24, 25, 26), having a decreasing section and telescopically connected to one another to define a support structure which is able to move between a retracted configuration in which the tubular elements (21, 22, 23, 24, 25, 26) are inserted in one another, and an elongate configuration, in which two tubular elements are extracted.
The arm (1) comprises a hydraulic actuator (4), associated to the support structure (21, 22, 23, 24, 25, 26) and provided with three hydraulic elements (41, 42, 43) telescopically connected to one another, each of which is connected to a respective tubular element of the support structure.-
公开(公告)号：EP2388228B1
公开(公告)日：2014-01-22
申请号：EP11166318.3
申请日：2011-05-17
发明人： Shimomura, Koichi , Yamada, Jumpei
IPC分类号： B66C23/693 , B66C23/90 , B66C23/70
CPC分类号： B66C23/705 , B66C23/905
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公开(公告)号：EP2683645A1
公开(公告)日：2014-01-15
申请号：EP12712877.5
申请日：2012-03-09
申请人： Palfinger AG
发明人： WIMMER, Eckhard
CPC分类号： B66C23/705 , B66C23/42 , B66C23/54 , F15B11/205 , F15B13/07
摘要： The invention relates to a hydraulically actuatable jib (100) for a loading crane (101), comprising: - at least two jib extensions (1, 2), the first jib extension being designed as an outer jib extension (1) and the second jib extension being designed as an inner jib extension (2), - at least two feed cylinders (11, 21) for extending and retracting the at least two jib extensions (1, 2), - a hydraulic circuit for a working fluid (5), particularly oil, and which comprises a retraction line (6) for retracting the feed cylinders (11, 21) in a pressurised manner, said retraction line (6) opening into the feed cylinder (11) of the outer jib extension (1), - a tank for releasing said working fluid (5), and - a control valve (22) that can be switched into an open position when the outer jib extension (1) reaches a defined retraction position, particularly when the outer jib extension (1) is substantially fully retracted, said valve thereby supplying the feed cylinder (21) of the inner jib extension (2) with pressurised working fluid (5). The working fluid (5) of the retraction line (6), between the tank and the opening (12) at the feed cylinder (11) of the outer jib extension (1), does not come into contact with the feed cylinder (21) of the inner jib extension (2) in any position of said feed cylinder (21) of the inner jib extension (2) until the retraction position of the outer jib extension (1) has been reached.
摘要翻译： 本发明涉及一种用于装载起重机（101）的液压致动臂（100），其包括： - 至少两个悬臂延伸部（1,2），第一悬臂延伸部被设计为外部悬臂延伸部（1），并且第二悬臂延伸部 - 至少两个用于延伸和缩回所述至少两个悬臂延伸部（1,2）的进给缸（11,21）， - 用于工作流体（5）的液压回路， ），尤其是油，并且包括用于以加压方式缩回给料筒（11,21）的收缩管线（6），所述收缩管线（6）通向外部悬臂延伸部（1）的给料筒（11） ）， - 用于释放所述工作流体（5）的罐，以及 - 控制阀（22），当外部悬臂延伸部（1）到达限定的缩回位置时，特别是当外部悬臂延伸部 （1）基本上完全缩回，所述阀因此供应内部起重臂外管的供料筒（21） （2）与加压工作流体（5）连接。 回收管线（6）的工作流体（5）在箱体与外部悬臂延长部分（1）的进给缸（11）处的开口（12）之间不与进给缸（21） ）在内部悬臂延伸部（2）的所述进给缸（21）的任何位置处移动到内部悬臂延伸部（2），直到达到外部悬臂延伸部（1）的缩回位置。
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公开(公告)号：EP2542495A2
公开(公告)日：2013-01-09
申请号：EP11716649.6
申请日：2011-02-28
申请人： EFFER S.p.A.
发明人： PERELLI, Luca
IPC分类号： B66C23/70 , B66C23/693 , B66C23/697
CPC分类号： B66C23/705 , B66C23/707 , B66C23/708
摘要： A crane for lifting a load is applicable to a vehicle, in particular a motor vehicle or truck and comprises an extensible arm which is articulated at a respective end (3') to a pivoting arm and which can be lifted and lowered relative to the latter. The extensible arm (3) comprises a member (31) which is articulated to the pivoting arm from which extend a plurality of sliding members (40, 33, 34, 35, 36, 37, 38, 39), terminating with an end sliding member (40). The members (31, 40, 33, 34, 35, 36, 37, 38, 39) of the extensible arm (3) are coaxially inserted inside one another and are telescopically movable relative to each other between a respective retracted position and a respective extended position under the action of corresponding telescopic drive means (4). The telescopic drive means (4) comprise a first and a second actuator which are located inside respective members (31, 40, 33, 34, 35, 36, 37, 38, 39) of the extensible arm (3).
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