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公开(公告)号：EP3995720A1
公开(公告)日：2022-05-11
申请号：EP20934884.6
申请日：2020-12-04
申请人： Jiangsu Advanced Construction Machinery Innovation Center Ltd. , Jiangsu XCMG Construction Machinery Research Institute Ltd.
发明人： ZHAN, Dongan , LV, Chang , YAN, Weipeng , SHI, Guoguo , ZHANG, Gang
IPC分类号： F16H3/093
摘要： The present invention relates to a modular design gearbox and a gear implementation method. The gearbox includes a body, a drive shaft, four intermediate shafts, and an output shaft. The gearbox is of a six-shaft layout. The drive shaft S1, the intermediate shaft S4 and the intermediate shaft S5 are each provided with two clutch packs, and the intermediate shaft S2 is provided with one clutch pack. According to such a structure, a transmission path is short, and stability is better. By means of six shafts and seven clutches, the gearbox achieves a mode of up to eight forward gears and four backward gears, a speed ratio range is wide, and the gearbox can be adjusted flexibly, a less-gear mode can be achieved by reducing some of components, modularization is achieved, universality is improved, and the production cost and use cost of the gearbox are reduced. Moreover, each forward gear is achieved by coupling two clutches and conducting gear engagement four times, each backward gear is achieved by coupling two clutches and conducting gear engagement three times, the transmission path is short, and the reliability is high.
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公开(公告)号：EP3984860A1
公开(公告)日：2022-04-20
申请号：EP20897620.9
申请日：2020-09-03
发明人： LI, Jun , GENG, Yanbo , ZHOU, Penghui
摘要： The present disclosure provides a steering system of an engineering vehicle, and a backhoe loader. The steering system includes: a direction control device, including a steering wheel, a steering cylinder and steerable wheels, the steering cylinder being in transmission connection with the steering wheel and the steerable wheels; a displacement sensor configured to detect a piston displacement of the steering cylinder; a return motor in transmission connection with the steerable wheels to drive the steerable wheels to return to a normal position; and a controller in signal connection with the displacement sensor and the return motor, and configured to output a control signal according to the piston displacement detected by the displacement sensor to manipulate the return motor to drive the steerable wheels to return. The backhoe loader includes the steering system.
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公开(公告)号：EP4442913A1
公开(公告)日：2024-10-09
申请号：EP21939102.6
申请日：2021-12-23
发明人： SUN, Zhanrui , LI, Yong , ZHANG, Yong
CPC分类号： E02F3/32 , E02F9/0808
摘要： The present disclosure provides a modular excavator, including a plurality of assembly modules that are detachably connected, the plurality of assembly modules including: a frame turntable base module; a track beam assembly module configured to be connected to the frame turntable base module; a track module configured to be connected to the track beam assembly module; a slewing drive module configured to be connected to the frame turntable base module; a power assembly module configured to be connected to the frame turntable base module; a counterweight module configured to be connected to the power assembly module; a cab module configured to be connected to the frame turntable base module; a fuel tank module configured to be connected to the frame turntable base module; a boom assembly module configured to be connected to the frame turntable base module; a bucket arm assembly module configured to be connected to the boom assembly module; and a work tool module configured to be connected to the bucket arm assembly module. The modular excavator of the embodiment of the present disclosure is favorable for rapid arrival at a working site to guarantee the working progress.
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公开(公告)号：EP4397815A1
公开(公告)日：2024-07-10
申请号：EP23723106.3
申请日：2023-01-05
发明人： LIU, Xiaocheng , GENG, Yanbo , ZHANG, Hongyu
IPC分类号： E02F9/08
摘要： The present disclosure relates to a turntable assembly and an engineering mechanical equipment. A turntable assembly for an engineering mechanical equipment includes: a turntable body (10); a first rotating mechanism (20) connected to the turntable body (10) and configured to cause the turntable body (10) to rotate relative to an undercarriage of the engineering mechanical equipment; and a second rotating mechanism (30) connected to the turntable body (10) and configured to cause an upper work device (40) of the engineering mechanical equipment to rotate relative to the turntable body (10), wherein an axis of rotation (21) of the first rotating mechanism (20) is not co-linear with an axis of rotation (35) of the second rotating mechanism (30); the second rotating mechanism (30) includes a rotating body (31) for connecting the upper work device (40); and at least two hinge points arranged spaced apart along the axis of rotation (35) of the second rotating mechanism (30) are provided between the rotating body (31) and the turntable body (10).
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公开(公告)号：EP4134491A1
公开(公告)日：2023-02-15
申请号：EP21763932.7
申请日：2021-04-26
发明人： HOU, Zhiqiang , ZHAO, Bin , LIU, Hao , LU, Shengli
摘要： The present disclosure relates to a leveling control method and system, a controller, a motor grader, and a computer storable medium, relating to the technical field of construction machinery. The leveling control method comprises: obtaining the elevation of the current position of a blade of a motor grader, the elevation of a target position, and the movement speed of the motor grader, respectively, said target position being on the ground which has a certain horizontal distance from the current position along the direction of movement of the motor grader (S110); according to the horizontal distance and the speed of movement, determining a time of movement of the blade from the current position to the target position (S120); according to the difference in elevation between the elevation of the target position and the elevation of the current position, and the movement time, determining the lifting/lowering speed of a lifting/lowering cylinder (S130); controlling the lifting/lowering cylinder according to the lifting/lowering speed, and adjusting the blade from the current position to the target position (S140). According to the present disclosure, leveling accuracy is improved.
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公开(公告)号：EP3951082A1
公开(公告)日：2022-02-09
申请号：EP20920863.6
申请日：2020-10-15
发明人： GENG, Yanbo , NING, Haicheng , ZHAO, Bin
摘要： The present disclosure relates to a wheeled engineering vehicle for improving operation efficiency, including: a frame; a first telescopic cylinder disposed on the frame; and a stabilizer assembly connected with the first telescopic cylinder and configured to rotate relative to the frame under a drive of the first telescopic cylinder. The stabilizer assembly includes: a first stabilizer leg constructed to be of a hollow structure, of which a first end is articulated with the frame, and of which a second end is a free end; a second telescopic cylinder disposed in the first stabilizer leg; a second stabilizer leg, of which a first end in a telescoping direction is located in the first stabilizer leg and connected to the second telescopic cylinder, and of which a second end in the telescoping direction is located outside the first stabilizer leg via the second end of the first stabilizer leg, the second stabilizer leg being configured to extend or retract relative to the first stabilizer leg under a drive of the second telescopic cylinder, and the first stabilizer leg being configured to radially limit the second stabilizer leg; and a stabilizer foot connected to the second end of the second stabilizer leg and configured to be in contact with the ground to support the wheeled engineering vehicle. The first stabilizer leg, the second stabilizer leg and the stabilizer foot cooperate to support the whole vehicle, which can improve the stability of the whole vehicle.
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7.发明公开
公开(公告)号：EP4403780A1
公开(公告)日：2024-07-24
申请号：EP22868447.8
申请日：2022-11-25
发明人： JIN, Weiwei , GENG, Yanbo , LI, Mingshuai
摘要： The present disclosure relates to a backhoe loader energy recovery and reuse system and a control method thereof, and a backhoe loader, wherein the system comprises: an actuator, configured to drive a working device to perform an action with hydraulic oil as a medium, and having a first cavity and a second cavity; a reversing valve, having a first working oil port communicated with the first cavity and a second working oil port communicated with the second cavity, the reversing valve being configured to reverse the actuator; a stabilizing valve group, having a first oil port, a second oil port, a third oil port and a fourth oil port, the first oil port and the second oil port being communicated with the first cavity and the second cavity, respectively, and the third oil port being communicated with an oil tank; and an energy storage part, communicated with the fourth oil port and configured to store hydraulic energy; wherein the first oil port and the third oil port have a first communication state therebetween, in which the hydraulic oil in the first cavity can enter the oil tank; the second oil port and the fourth oil port can be selectively connected or disconnected, and in a connected state, the second cavity is communicated with the energy storage part.
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公开(公告)号：EP4350087A1
公开(公告)日：2024-04-10
申请号：EP22941880.1
申请日：2022-08-31
发明人： LI, Mingshuai , GENG, Yanbo , JI, Zhe
IPC分类号： E02F9/22
摘要： The present disclosure relates to a method for controlling a backhoe loader and a backhoe loader, and relates to the field of engineering machinery. The method for controlling a backhoe loader includes: setting a power upper threshold P_0 for a variable displacement pump of the backhoe loader according to an operating mode of the backhoe loader; where the backhoe loader includes an engine, the variable displacement pump, a traveling system, a loading operation system, and a digging operation system; the operating mode includes: a traveling mode, a loading operation mode, and a digging operation mode; and adjusting the power upper threshold P_0 of the variable displacement pump according to an actual load of the backhoe loader in a current operating mode. In the technical solutions, the power upper thresholds P_0 are different in different operating modes. According to actual load conditions of the system, power of the variable displacement pump is adjusted in real time, steplessly and continuously to maximize an output power of the engine, thereby improving operating efficiency, increasing energy efficiency, and reducing energy consumption.
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公开(公告)号：EP4253912A1
公开(公告)日：2023-10-04
申请号：EP20966457.2
申请日：2020-12-24
发明人： ZHAO, Bin , TANG, Jianlin , YANG, Chao
IPC分类号： G01C21/32
摘要： A method, device and system for updating a map of an unloading area (UA) of an open pit mine, which relate to the technical field of open pit mines. The method comprises: acquiring one or more coordinates of one or more first preset positions of auxiliary operation equipment (11) during an operation (302), wherein the auxiliary operation equipment (11) trims a retaining wall (L) that acts as a physical boundary of the unloading area (UA) during the operation, and during the operation of the auxiliary operation equipment (11), each first preset position is located within the unloading area (UA); determining a first coordinate set (304), the first coordinate set (304) comprising coordinates among the one or more coordinates located outside of a first map of the unloading area (UA); and according to the first coordinate set (304), updating the first map into a second map (306).
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公开(公告)号：EP4198331A1
公开(公告)日：2023-06-21
申请号：EP22191699.2
申请日：2022-09-13
发明人： ZHANG, Zhanwen , GENG, Yanbo , ZHOU, Penghui
IPC分类号： F16D3/74
摘要： The present application relates to a coupling and a mechanical system. The coupling (10) includes: a first mounting base (11), including a first flange (11) and a first shaft (12) which are connected with each other, wherein the first flange (11) is configured to be connected to an engine (20); a second mounting base (2), including g a second shaft (22) and a second flange (21), wherein the second shaft (22) is sleeved outside the first shaft (12), and the second flange (21) is connected to an end, away from the first flange (11), of the second shaft (22) and is configured to be connected to a fan (40); a vibration damper (3), connected to the first flange (11) and sleeved outside the second shaft (22) for vibration damping; and at least one positioning member (4), the positioning member (4) having elasticity and being arranged between the first shaft (12) and the second mounting base (2) for supporting and positioning. Based on this, the performance of the coupling is effectively improved.
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