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1.发明公开Hydraulic cylinder for example for use in a hydraulic tool 有权Hydraulischer Zylinder zum BeispielfürhydraulischesArbeitsgerät
公开(公告)号：EP2813309A1
公开(公告)日：2014-12-17
申请号：EP14171734.8
申请日：2014-06-10
IPC分类号： B23D17/00 , E02F3/96 , F15B20/00 , F15B11/024
CPC分类号： F15B15/149 , E02F3/965 , E02F9/2267 , E02F9/2271 , F15B11/022 , F15B11/024 , F15B13/0401 , F15B20/007 , F15B2011/0243 , F15B2211/30505 , F15B2211/3058 , F15B2211/329 , F15B2211/355 , F15B2211/50518 , F15B2211/5153 , F15B2211/55 , F15B2211/775 , F15B2211/8636 , F15B2211/8752
摘要： The invention relates to a hydraulic cylinder 20, for example for use in a hydraulic tool, comprising at least one piston/cylinder combination composed of a cylinder body and a piston 14a accommodated in said cylinder body and provided with a piston rod 14 that projects from said cylinder body, wherein the cylinder body and the piston body define a first cylinder chamber 21a while the cylinder body, the piston body and the piston rod define a second cylinder chamber 21b, and wherein during operation the piston performs alternating forward and return operational cycles under the influence of a fluidum under pressure that is conducted to the first and the second cylinder chamber through a first and a second line, respectively, and a control valve 24 which regulates the supply of a fluid under pressure through the first or the second line to the piston/cylinder combination.
The invention has for its object to provide an improved actuating cylinder as described above which immediately acts on the hydraulic system in the event of the emergency situations sketched above and which prevents permanent damage to the various components. According to the invention, the hydraulic cylinder is for this purpose characterised in that it comprises a safety valve 40 which is passive in a first position and which in a second position, if the pressure in the second cylinder chamber is higher than a preset load pressure, connects the second cylinder chamber to the first cylinder chamber via a differential valve 30 .摘要翻译： 本发明涉及一种液压缸20，例如用于液压工具中的液压缸20，该液压缸20包括至少一个活塞/缸组合，其由缸体和容纳在所述缸体中的活塞14a组成，并设置有活塞杆14，活塞杆14从 所述缸体，其中所述缸体和所述活塞主体限定第一缸室21a，同时所述缸体，所述活塞主体和所述活塞杆限定第二缸室21b，并且其中在运行期间所述活塞执行交替的前进和返回操作循环 在受压下的液体的影响分别通过第一和第二管线传导到第一和第二气缸室;以及控制阀24，其调节通过第一或第二管线的压力下的流体供应 到活塞/气缸组合。 本发明的目的是提供一种如上所述的改进的致动缸，其在上面描绘的紧急情况下立即作用在液压系统上，并且防止对各种部件的永久性损坏。 根据本发明，液压缸为此目的的特征在于其包括安全阀40，其在第一位置是被动的，并且在第二位置，如果第二气缸室中的压力高于预设的负载压力 通过差速阀30将第二汽缸室与第一汽缸室连接。
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2.发明公开
公开(公告)号：EP1580440A1
公开(公告)日：2005-09-28
申请号：EP05075592.5
申请日：2005-03-10
IPC分类号： F15B19/00
CPC分类号： F15B19/005 , B23D31/008 , E02F3/965 , E02F9/26 , E04G23/082
摘要： The invention relates to a method and a device for determining the operating conditions in which a tool driven by a hydraulic piston/cylinder combination (8) is operated, wherein the piston (14a) alternately performs outward and inward operating cycles during operation under the influence of a pressurised medium being supplied via first and second supply lines, whose pressure can be adjusted within a predefined pressure range.
According to the invention, the method is characterized by the steps of i) simultaneously measuring the current medium pressure in the first and the second supply line; ii) determining which stroke cycle the piston is carrying out on the basis of the established pressure difference between the medium pressures in the first and the second supply line as measured in step i).-
3.发明公开Device for breaking and/or cutting material, as well as a piercing element suitable for being mounted on the free nose end of a jaw of such a device 审中-公开一种用于粉碎和/或切割的材料，以及在这种装置的一个夹爪的自由鼻端安装穿孔元件装置
公开(公告)号：EP2764942A1
公开(公告)日：2014-08-13
申请号：EP13192541.4
申请日：2013-11-12
CPC分类号： E02F3/965 , B23D31/008 , B23D35/002
摘要： The invention relates to a device for breaking and/or cutting material, comprising a frame (10) to be coupled to the boom of an excavation machine or the like, a first jaw (13) provided with a first cutting surface, which takes up a fixed position relative to the frame (10) in use, a second jaw (14) provided with a second cutting surface (14a) and a free nose end (14b), which second jaw (14) works together with the first jaw (13) and which is pivotable about a pivot relative to the frame (10), toward and away from the first jaw (13), wherein the second jaw (14) is provided with an exchangeable piercing element (15) at its free nose end (14b) for piercing the material to be broken and/or cut.
The piercing element (15) is made up of two element parts (150a, 150b), which element parts (150a, 150b) can be mounted on the free nose end (14b) on either side thereof, and wherein each element part (150a, 150b) is made up of a piercing part (151a, 151b), which abuts against the corresponding piercing part (151a, 151b) of the other element part (150a, 150b), and a flange part (157a, 157b) that extends along the free nose end (14b).摘要翻译： 本发明涉及一种设备，用于分断和/或切割的材料，包括：框架（10）被耦合到挖掘作业机的悬臂或类似，设置有第一切削表面上的第一夹爪（13），其占据 相对于所述框架（10）在使用中，设置有第二切割表面（14a）和一个自由的前端（14b）的所述第二夹爪（14）的第二钳口（14）的固定位置与所述第一钳口一起工作（ 13）所有这些是枢轴能够相对于所述框架（10枢转）朝向和远离所述第一夹爪（13），worin第二夹爪（14）在可更换的穿刺元件（15）在其自由鼻端部设置有 （14B），用于刺穿物料被破碎和/或切断。 穿刺元件（15）是由哪个元件部分（150A，150B）可以被安装在其上任意一侧的自由的前端（14b）的2个元件部分（150A，150B），以及各worin元件部（150A ，150B）由刺穿部分（151A，151B），其中对相应的刺穿部分（151A，151B）抵接在另一个元件部分（150A，150B）中的，和（157A，157B）做了凸缘部分延伸 沿着自由前端（14B）。
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公开(公告)号：EP1580437A1
公开(公告)日：2005-09-28
申请号：EP05075591.7
申请日：2005-03-10
IPC分类号： F15B11/02 , F15B11/036 , F15B15/14 , B30B15/16
CPC分类号： F15B11/022 , E02F3/965 , E02F9/2217 , F15B11/036 , F15B15/1466 , F15B15/149 , F15B2211/3052 , F15B2211/30525 , F15B2211/3116 , F15B2211/31576 , F15B2211/329 , F15B2211/625 , F15B2211/6355 , F15B2211/7055
摘要： The invention relates to a hydraulic cylinder, for use in a hydraulic tool, comprising a hollow cylinder body (8) accommodating a first piston, which first piston is composed of a hollow first piston rod (14), which extends from the cylinder body, and a first piston body (20) connected thereto, said cylinder body and said first piston body defining a first cylinder chamber (21) and said cylinder body, said first piston body and said first piston rod defining a second cylinder chamber (22), as well as a second piston accommodated in the hollow first piston rod, which second piston is composed of a second piston rod (26), which extends through the first piston body and which is connected to the cylinder body, and a second piston body (25) connected thereto, said first piston rod and said second piston body defining a third cylinder chamber (23) and said first piston rod, said second piston rod and said second piston body defining a fourth cylinder chamber (24), wherein the second piston rod is at least provided with a bore that terminates in the third cylinder chamber, and wherein the cylinder chambers can be connected to a first (P1) and a second supply line (P2), respectively, for extending and retracting the first piston rod.
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公开(公告)号：EP1580437B1
公开(公告)日：2007-12-12
申请号：EP05075591.7
申请日：2005-03-10
IPC分类号： F15B11/02 , F15B11/036 , F15B15/14 , B30B15/16
CPC分类号： F15B11/022 , E02F3/965 , E02F9/2217 , F15B11/036 , F15B15/1466 , F15B15/149 , F15B2211/3052 , F15B2211/30525 , F15B2211/3116 , F15B2211/31576 , F15B2211/329 , F15B2211/625 , F15B2211/6355 , F15B2211/7055
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6.发明公开Device for crushing and/or cutting material. 有权Vorrichtung zum Brechen und / oder Schneiden von Materialien
公开(公告)号：EP1571265A1
公开(公告)日：2005-09-07
申请号：EP05075518.0
申请日：2005-03-02
CPC分类号： E02F3/3622 , E02F3/3663 , E02F3/965
摘要： The invention relates to a device for crushing and/or cutting material, comprising a frame (2-3) to be coupled to the jib of an excavator or the like, a first jaw (12) to be connected to the frame (3), which takes up a fixed position with respect to the frame (3) during operation, a second jaw (13) that mates with said first jaw (12), which second jaw (13) is pivotable about a pivot pin (10) with respect to the frame (3) in a direction towards the first jaw (12) and in a direction away from the first jaw by means of a setting cylinder (8), said first jaw (12) being provided with coupling means (21a,21b) that are to interlock with coupling means (20a,20b) forming part of the frame (3) for hooking the first jaw (12) to the frame (3).
The object of the invention is to provide a device, which device on the one hand is of simple construction, comprising few parts, and by means of which furthermore the assembly of jaws (12,13) can be connected to and disconnected from the frame (3) in a quick, reliable manner without having to carry out time-consuming adjusting operations. According to the invention, the coupling means comprise two spaced-apart points for engagement (21a,21b), where the first jaw (12) and the frame (3) can interlock, and fixing means (23) are furthermore provided for keeping the coupling means interlocked.摘要翻译： 本发明涉及一种用于破碎和/或切割材料的装置，包括要联接到挖掘机等的起重臂的框架（2-3），要连接到框架（3）的第一颚板（12） ，其在操作期间相对于所述框架（3）占据固定的位置，与所述第一钳口（12）配合的第二钳口（13），所述第二钳口（13）可绕枢转销（10）枢转， 相对于所述框架（3）在朝向所述第一钳口（12）的方向上并且通过设定缸（8）沿远离所述第一钳口的方向移动，所述第一钳口（12）设置有联接装置（21a， 21b），其与形成框架（3）的一部分的联接装置（20a，20b）互锁，用于将第一夹爪（12）钩住框架（3）。 本发明的目的是提供一种装置，该装置一方面是简单的构造，其包括很少的部件，并且借助于该装置，夹爪（12,13）的组装可以连接到 以快速，可靠的方式与框架（3）断开连接，而不必执行耗时的调整操作。 根据本发明，联接装置包括用于接合（21a，21b）的两个间隔开的点，其中第一钳口（12）和框架（3）可互锁，并且固定装置（23）还被设置用于保持 联动装置互锁。
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7.发明授权
公开(公告)号：EP2813309B1
公开(公告)日：2018-01-17
申请号：EP14171734.8
申请日：2014-06-10
IPC分类号： B23D17/00 , E02F3/96 , F15B20/00 , F15B11/024
CPC分类号： F15B15/149 , E02F3/965 , E02F9/2267 , E02F9/2271 , F15B11/022 , F15B11/024 , F15B13/0401 , F15B20/007 , F15B2011/0243 , F15B2211/30505 , F15B2211/3058 , F15B2211/329 , F15B2211/355 , F15B2211/50518 , F15B2211/5153 , F15B2211/55 , F15B2211/775 , F15B2211/8636 , F15B2211/8752
摘要： The invention relates to a hydraulic cylinder 20, for example for use in a hydraulic tool, comprising at least one piston/cylinder combination composed of a cylinder body and a piston 14a accommodated in said cylinder body and provided with a piston rod 14 that projects from said cylinder body, wherein the cylinder body and the piston body define a first cylinder chamber 21a while the cylinder body, the piston body and the piston rod define a second cylinder chamber 21b, and wherein during operation the piston performs alternating forward and return operational cycles under the influence of a fluidum under pressure that is conducted to the first and the second cylinder chamber through a first and a second line, respectively, and a control valve 24 which regulates the supply of a fluid under pressure through the first or the second line to the piston/cylinder combination. The invention has for its object to provide an improved actuating cylinder as described above which immediately acts on the hydraulic system in the event of the emergency situations sketched above and which prevents permanent damage to the various components. According to the invention, the hydraulic cylinder is for this purpose characterised in that it comprises a safety valve 40 which is passive in a first position and which in a second position, if the pressure in the second cylinder chamber is higher than a preset load pressure, connects the second cylinder chamber to the first cylinder chamber via a differential valve 30 .
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公开(公告)号：EP1571265B1
公开(公告)日：2009-09-02
申请号：EP05075518.0
申请日：2005-03-02
CPC分类号： E02F3/3622 , E02F3/3663 , E02F3/965
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