公开(公告)号：EP4424922A1

公开(公告)日：2024-09-04

申请号：EP22887118.2

申请日：2022-10-27

Applicant: Hitachi Construction Machinery Tierra Co., Ltd.

Inventor： ANDOU, Hiroyuki ,  HORII, Yasutaka ,  KIHARA, Seiichi ,  KIMURA, Shogo ,  KUWAHARA, Takuma

IPC: E02F9/00 ,  E02F9/20 ,  E02F9/26 ,  B60R1/23

CPC classification number: E02F9/26 ,  E02F9/20 ,  B60R1/23 ,  E02F9/00

Abstract: An upper revolving structure (3) of an electric hydraulic excavator (1) includes an electric motor (13) that serves as a power source, a battery (15) for storing electric power to be supplied to the electric motor (13), a power feeding port (16) to which a power feeding cable (17) for feeding electric power to the electric motor (13) or the battery (15) is connected via a relay cable (18), and a camera (23) that monitors the surroundings of a lower traveling structure (2) and the upper revolving structure (3). The camera (23) is attached to the upper revolving structure (3) in a position higher than the power feeding port (16) to capture an image of the power feeding port (16). With this configuration, it is possible to confirm through a monitor (10) the power feeding port (16), the connecting state of the relay cable (18) with respect to the power feeding port (16), and the treading, the catching-in, or the like of the power feeding cable (17) at the working of the electric hydraulic excavator (1).

公开(公告)号：EP4424920A1

公开(公告)日：2024-09-04

申请号：EP22886572.1

申请日：2022-09-28

Applicant: Nabtesco Corporation

Inventor： NAKAMURA, Kazuhito

IPC: E02F9/00 ,  E02F9/20 ,  H02P27/06

CPC classification number: H02P27/06 ,  E02F9/20 ,  E02F9/00

Abstract: A driving apparatus 1 of an electric construction machine including a lower traveling body 101, an upper rotating body 102 that is attached to the lower traveling body 101, a boom 104 attached to the upper rotating body 102, an arm 105 that is attached to the boom 104, and a bucket 106 that is attached to the arm 105, includes: a battery 10 that generates DC power, DC/AC converters 121 and 131 that convert the DC power generated by the battery 10 into AC power, a contactless transmission unit 122 to 124, and 132 that contactlessly transmit the AC power converted by the DC/AC converters 121 and 131 in joint components of the electric construction machine, and an actuator 2 that drives the joint component based on the AC power transmitted from the contactless transmission unit 122 to 124, and 132.

公开(公告)号：EP3115570A4

公开(公告)日：2017-11-15

申请号：EP14884758

申请日：2014-11-17

Applicant: HITACHI CONSTRUCTION MACH CO

Inventor： KANEHAMA MITSUHIKO ,  SATO KENSUKE ,  NAKAMURA TSUYOSHI

IPC: F01P7/04 ,  E02F9/00 ,  E02F9/08 ,  E02F9/20 ,  E02F9/22 ,  F01P5/04 ,  F01P5/06 ,  F01P11/08 ,  F01P11/14 ,  F15B11/08 ,  F15B13/04

CPC classification number: E02F9/226 ,  B60Y2200/412 ,  E02F9/00 ,  E02F9/0808 ,  E02F9/2095 ,  E02F9/2292 ,  F01P5/04 ,  F01P7/044 ,  F15B11/08 ,  F15B13/0401 ,  F16H61/4148

Abstract: The purpose of the present invention is to provide a cooling fan control device for a construction machine, whereby the effects of heat caused by warm-up operation can be suppressed. This cooling fan control device is equipped with a control unit (10a) that controls the rotational speed of a cooling fan (21) in accordance with a main pump discharge pressure (P) detected by a main pump discharge pressure sensor (25), an engine cooling water temperature (Tw) detected by an engine cooling water temperature sensor (26), a hydraulic oil temperature (To) detected by a hydraulic oil temperature sensor (27), and an engine rotational speed (E) detected by an engine rotational speed sensor (28). The cooling fan (21) is rotated at the rotational speed controlled by the control unit (10a), thereby sending the generated cooling air to an oil cooler (19) and a control valve (13).

公开(公告)号：EP3052425A4

公开(公告)日：2017-05-10

申请号：EP14850872

申请日：2014-10-03

Applicant: BINAR QUICK-LIFT SYSTEMS AB

Inventor： SÄRNDAHL ALBIN

IPC: B66C13/12 ,  B25J9/10 ,  B66C13/14 ,  E02F3/36

CPC classification number: B66C13/14 ,  E02F9/00 ,  F16L27/0828 ,  F16L27/093

Abstract: The present invention relates to a swivel comprising a static portion (1, 2, 124, 126) and a rotating portion (3, 120), which portions are coaxially rotatable about a longitudinal axis, wherein the static portion (1, 24, 124, 126) and the rotating portion (3, 120) electrically contact each other for transmission of electricity and/or signals/data between said portions, and which comprises an hole (30), which is centrally arranged and which runs coaxially along said longitudinal axis, for passage of a fluid, wherein the static portion comprises a housing (1) and a bottom (2), and the rotating portion comprises an axis part (3), which comprises an integrated bottom part (36) supported by said bottom (2), and that said axis part (3) comprises an integrated bottom part (36) which is supported by said bottom (2), and that said axis part (3) comprises a tubular upper part (32) extending upwards from said integrated bottom part (36), with said centrally arranged hole (30) for passage of a fluid is arranged.

Abstract translation: 本发明涉及一种包括静态部分（1,2,124,126）和旋转部分（3,120）的旋转接头，所述部分可围绕纵向轴线同轴旋转，其中静态部分（1,24,124） ，126）和所述旋转部分（3,120）彼此电接触以在所述部分之间传输电和/或信号/数据，并且所述旋转部分包括孔（30），所述孔居中地布置并且沿着所述纵向 其中所述静止部分包括壳体（1）和底部（2），并且所述旋转部分包括轴部（3），所述轴部（3）包括由所述底部 （2）上，并且所述轴部分（3）包括由所述底部（2）支撑的整体底部部分（36），并且所述轴部分（3）包括管状上部部分（32） 一体化的底部部分（36），所述中心布置的孔（30）用于流体通过 id被安排。

公开(公告)号：EP2098644A3

公开(公告)日：2017-01-04

申请号：EP09002909.1

申请日：2009-02-28

Applicant: Volvo Construction Equipment Holding Sweden AB

Inventor： Go, Joon Seog

IPC: E02F9/00 ,  E02F9/22

CPC classification number: E02F9/00 ,  E02F9/0875 ,  E02F9/22 ,  E02F9/2267 ,  E02F9/2275 ,  Y10T137/6855 ,  Y10T137/6914

Abstract: An apparatus for fixing hydraulic pipes for construction equipment is provided, which can facilitate joint connection of return pipes having a large size to a hydraulic tank (2), in an environment where a working space of an upper frame (6) is narrow such as in a small swing radius construction equipment, by a return pipe block (13) for returning hydraulic fluid of a main control valve (1) to the hydraulic tank (2) without being interfered with a swing motor (4) and so on. The apparatus for fixing hydraulic pipes includes a first return joint pipe (10) having an inlet port joint-connected to a main control valve (1), a second return joint pipe (11) having an outlet port joint-connected to an oil cooler (5), a return pipe block (13) mounted on an upper frame (6) between a frame to which a working device is fixed and a swing motor (4), and joint-connected to an outlet port of the first return joint pipe (10) and an inlet port of the second return joint pipe (11), respectively, and a third return joint pipe (14) having an inlet port joint-connected to the return pipe block (13) and an outlet port joint-connected to the hydraulic tank (2).
The return pipe block (13) is mounted on the upper frame (6) to joint-connect the first and second return joint pipes (10,11), and the third return joint pipe (14) is joint-connected to the return pipe block (13) and the hydraulic tank (2), respectively, after the swing motor (4) is mounted on the upper frame (6).

Abstract translation: 本发明提供一种用于施工设备的液压管固定装置，其特征在于，在上框架（6）的工作空间窄的环境中，能够容易地将具有大尺寸的返回管与液压箱（2）的接合连接 通过用于将主控制阀（1）的液压油返回到液压缸（2）而不受到摆动马达（4）等的干扰的回流管道块（13）在小的摆动半径施工设备中。 用于固定液压管的装置包括具有与主控制阀（1）连接的入口的第一回流管（10），具有与油冷却器连接的出口的第二回流管（11） （5），安装在固定有作业装置的框架和摆动马达（4）之间的上框架（6）上的回流管块（13），并与第一返回接头 管道（10）和第二回流管（11）的入口，以及具有与返回管块（13）连接的入口的第三回流管（14） 连接到液压箱（2）。 返回管块（13）安装在上框架（6）上，以连接第一和第二回流管（10,11），第三回流管（14）与返回管 在摆动马达（4）安装在上部框架（6）上之后，分别将液压缸（13）和液压箱（2）分开。

公开(公告)号：EP3009290A1

公开(公告)日：2016-04-20

申请号：EP14783990.6

申请日：2014-08-19

Applicant: Komatsu Ltd.

Inventor： YABE, Mitsuo ,  OHSAWA, Akihiro ,  SHINTANI, Toshiya ,  MATSUKI, Teruyuki ,  YOSHIDA, Yoshiaki

IPC: B60K11/04 ,  B60K13/04 ,  E02F9/00 ,  F01N3/28

CPC classification number: E02F9/0866 ,  B60K11/04 ,  B60K13/04 ,  B60Y2200/415 ,  E02F3/283 ,  E02F9/00 ,  E02F9/0883 ,  F01N3/2046 ,  F01N3/2066 ,  F01N3/28 ,  F01N13/08

Abstract: A wheel loader 100 is provided with an engine 11, an engine compartment 2, a top plate 81, an injection device 134, and a tubular member 4. The engine compartment 2 houses the engine 11. The top plate 81 has a first opening section 81a. The top plate 81 defines the upper surface of the engine compartment 2. The injection device 134 is disposed inside the engine compartment 2. The tubular member 4 is disposed above the injection device 134. The tubular member is disposed below the first opening section 81a.

Abstract translation: 轮式装载机100具备发动机11，发动机室2，顶板81，喷射装置134以及筒状部件4.发动机室2容纳发动机11.顶板81具有第一开口部 81A。 顶板81形成发动机室2的上表面。喷射装置134配置在发动机室2的内部。筒状部件4配置在喷射装置134的上方。筒状部件配置在第一开口部81a的下方。

公开(公告)号：EP2960378A1

公开(公告)日：2015-12-30

申请号：EP15172639.5

申请日：2015-06-18

Applicant: Kobelco Construction Machinery Co., Ltd.

Inventor： HANDA, Isao ,  KOSAKA, Kyohei

IPC: E02F9/00 ,  E02F9/22

CPC classification number: F16B5/08 ,  E02F9/00 ,  E02F9/2275

Abstract: A pipe supporting device is provided which allows a finishing treatment to be easily performed on a terminating end of grinding performed on a weld formed on an attachment. A pipe supporting device 12 includes a support portion 15 for supporting a hydraulic pipe 11 along an axis D2 of the hydraulic pipe 11 extending along a length D1 of a boom 5, and a weld portion 13 joining the support portion 15 and to be connected with an outer surface of the boom 5 by fillet welding. The weld portion 13 has a plurality of peripheral surfaces standing on the outer surface of the boom 5 for the fillet welding, the plurality of peripheral surfaces including: a pair of opposite perpendicular standing surfaces 13a and 13b extending in a direction substantially perpendicularly intersecting a first stress direction D3 along the axis D2 of the hydraulic pipe 11; and a pair of oblique standing surfaces 13c and 13d extending from respective leading ends of the pair of opposite perpendicular standing surfaces 13a and 13b to join each other. Each of the oblique standing surfaces 13c and 13d extends in a direction oblique to the first stress direction D3 and joins the corresponding one of the perpendicular standing surfaces 13a and 13b at an acute angle.

Abstract translation: 提供一种管支撑装置，其允许在对形成在附件上的焊接上进行的研磨的终止端容易地执行精加工处理。 管支撑装置12包括：支撑部分15，用于沿着沿着悬臂5的长度D1延伸的液压管11的轴线D2支撑液压管道11;接合支撑部分15并与 悬臂5的外表面通过角焊。 焊接部分13具有多个周边表面，其位于用于角焊的起重臂5的外表面上，多个周边表面包括：一对相对的垂直立面13a和13b，其沿与第一 沿着液压管11的轴线D2的应力方向D3; 以及从一对相对的垂直立面13a和13b的相应前端延伸的一对倾斜的立面13c和13d，以彼此连接。 每个倾斜的立面13c和13d沿着与第一应力方向D3倾斜的方向延伸，并以锐角将相应的一个垂直立面13a和13b连接起来。

公开(公告)号：EP2902549A1

公开(公告)日：2015-08-05

申请号：EP15152847.8

申请日：2015-01-28

Applicant: Kobelco Construction Machinery Co., Ltd.

Inventor： Miyachi, Isao ,  Hayashi, Hiroto ,  Tsuchihashi, Tomoyuki

IPC: E02F9/08 ,  E02F9/20 ,  E02F3/32 ,  B60K11/06 ,  B66C13/52 ,  E02F9/00

CPC classification number: E02F9/0866 ,  B60K11/06 ,  B60Y2200/412 ,  B60Y2306/05 ,  B66C13/52 ,  E02F3/325 ,  E02F9/00 ,  E02F9/2095

Abstract: Provided is a construction machine including an electrical component (40) and efficiently cooling it. The construction machine includes an upper slewing body having an air intake chamber (16) capable of taking in air, an engine (28), the electrical component (40), an air intake duct (24) guiding the air inside the air intake chamber (16) toward the engine (28), a blow fan (27) directing the air inside the air intake chamber (16) toward the engine (28) through the air intake duct (24), and electrical-component cover (36, 50, 43) covering the electrical component (40). The electrical-component cover (36, 50, 43) defines an air flow path (55) for flowing air along the electrical component (40), between the electrical-component cover (36, 50, 43) and the electrical component (40) thereinside. The electrical-component cover (36, 50, 43) includes an air inlet (51) communicating an upstream portion of the air flow path (55) with the air intake chamber (16) and an air outlet (52) communicating a downstream portion of the air intake chamber (16) with the air intake duct (24).

Abstract translation: 提供一种包括电气部件（40）并有效地冷却它的建筑机械。 该建筑机械包括具有能够吸入空气的进气室（16）的上部回转体，发动机（28），电气部件（40），引导进气室内的空气的进气管道（24） （16）朝向发动机（28），吹风扇（27）通过进气管道（24）引导进气室（16）内的空气朝向发动机（28）;以及电气部件盖 50,43）覆盖电气部件（40）。 电气部件盖（36,50,43）限定用于沿着电气部件（40）流动空气的空气流动路径（55），电气部件盖（36,50,33）和电气部件（40）之间 ）在那里 电气部件盖（36,50,43）包括将空气流路（55）的上游部分与进气室（16）连通的空气入口（51）和将下游部分 （16）的空气进入管（24）。

公开(公告)号：EP2847836A1

公开(公告)日：2015-03-18

申请号：EP13788540.6

申请日：2013-05-08

Applicant: Dellcron AB

Inventor： GUSTAVSSON, Conny ,  HULTMAN, Hasse

IPC: H02G1/06 ,  E02F5/10 ,  F16L1/032 ,  G02B6/50

CPC classification number: E02F5/145 ,  B23D45/003 ,  E02F5/02 ,  E02F5/08 ,  E02F5/10 ,  E02F5/12 ,  E02F9/00 ,  F16L1/028 ,  F16L1/032 ,  G02B6/504 ,  H02G1/06 ,  H02G9/02

Abstract: The present invention relates to a machine arranged for sawing micro trenches and placing ducts/cables in micro trenches, said machine comprising a saw blade arranged for sawing a micro trench in an area; said machine further comprising: a stabilizing device arranged for stabilizing the walls of said micro trench when placing ducts/cables into said micro trench, said stabilizing device being positioned immediately behind said saw blade in said micro trench, and said stabilizing device comprising guiding means for guiding at least one duct/cable when placed into said micro trench; at least three wheels for driving said machine, wherein said wheels are individually vertically adjustable so that a height and/or tilting of said machine relative to ground can be controlled.

公开(公告)号：EP2314835B1

公开(公告)日：2014-06-25

申请号：EP09806618.6

申请日：2009-07-07

Applicant: Hitachi Construction Machinery Co., Ltd

Inventor： KAMIYA Shohei ,  SAITO Tomoyuki

IPC: F01N3/02 ,  B01D41/04 ,  B01D53/86 ,  B01D53/94 ,  F01N3/24 ,  F01N3/28 ,  B01D46/42

CPC classification number: F01N13/008 ,  B01D46/0063 ,  B01D46/2418 ,  B01D46/446 ,  B01D46/448 ,  B01D53/944 ,  B01D2255/1021 ,  B01D2279/30 ,  E02F9/00 ,  E02F9/0866 ,  F01N3/0211 ,  F01N13/0093 ,  F01N13/0097 ,  F01N2550/04 ,  F01N2560/08 ,  Y02T10/20