Quotation of Liugong Loader

  • Optimal design of a hydraulic excavator working device

    Apr 29, 2017 · The hydraulic excavator, which is widely used in surface mining and civil construction, is one of the most important earthmoving machinery [1,2,3].The hydraulic excavator mainly consists of the undercarriage, swing body, and working device, as shown in Fig. 1.The working device contains three main components (boom, stick, and bucket), three hydraulic cylinders, and two linkages (guide and …

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  • Design and Analysis of Hydraulic Scissor Lift By FEA

    To check vibration of hydraulic lift during working time by modal analysis Keywords- Analysis, Design, Hydraulic Lift, FEA 1. INTRODUCTION: The most common industrial lift is the hydraulic scissor lift table. This may seem like a complicated piece of equipment, but in actuality hydraulic lift tables are really very simple in design.

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  • REVIEW PAPER ON ANALYSIS AND OPTIMIZATION OF …

    and control systems. Using graphics to create a model for analysis is one of the major features of DSS. DSS has been widely used to analyze the performance of work equipment of hydraulic excavators and the running performance of bulldozers. This software was also applied to analyze the work equipment of the newly-developed wheel loader.

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  • (PDF) A REVIEW ON KINEMATICS OF HYDRAULIC …

    machine. Kinematics of backhoe link mechanism is one of the steps in the direction to automate the excavation operation. The presented basics of kinematics and kinematic model can be applied to other loader and hydraulic backhoe excavators which are used to excavate the surface materials of terrain. Kinematics is the science of motion which

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  • A CRITICAL REVIEW ON KINEMATICS OF HYDRAULIC …

    Static, Modal and Kinematic Analysis of Hydraulic Excavator. Hydraulic Excavators are heavy duty earth mover consisting of a boom, arm, bucket and cab on a rotating platform. It works on the principle of hydraulic fluid, with hydraulic cylinders and hydraulic motors. Excavator is subjected to resistive forces which are depends upon the terrain condition.

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  • (PDF) Design Aspects of an Excavator Arm

    a Corresponding author: [email protected] Kinematic and Dynamic Simulation Analysis of Hydraulic Excavator's Working Equipment based on ADAMS Hong Yan YU1, Ming Hai YUAN1,2,a, Kun DENG1 and Rong DONG1 1College of Mechanical and Electrical Engineering, Hohai University, Changzhou 213022, China 2Guangxi Key Laboratory for Manufacturing System and Advanced Manufacturing Technology, …

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  • Static, Modal and Kinematic Analysis of Hydraulic Excavator

    (PDF) A REVIEW ON KINEMATICS OF HYDRAULIC EXCAVATOR'S

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  • Kinematic and Dynamic Simulation Analysis of Hydraulic

    Static, modal and kinematic analysis of bucket and lower arm of hydraulic excavator has been carried out using hyperwork. Based on results obtained from Maximum stress and maximum displacement is lower analysis, it is concluded that Fig. 11.

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  • Griffin Schobel - Excavator Arm Analysis (2020)

    The excavator arm consists of four primary structures: the base, the boom, the dipper, and the bucket. It is modeled from the Caterpillar 320C excavator reference dimensions shown to the right (found online). For simplification, all structural components and linkages were specified as ASTM A36 with a total system weight of 8,040 lbs (not including hydraulic fluid weight contribution).

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  • Kinematic Model for Working Mechanism of Hydraulic Excavator

    Figure 4 shows 2-DOF mini electro hydraulic excavator, Medanic et. al. (1997) have derived excavator kinematic relation by considering two link only boom link and arm link (Dongnam Kim et al

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  • Finite element analysis of excavator mechanical behavior

    Mar 01, 2021 · A FEM of the whole excavator geometry structure is developed for analysis purpose, as shown in Fig. 1(a). The main components of the excavator include the crawler track walking device, boom, stick, rocker, link and bucket, which are shown in Fig. 1(b)–(f), respectively. The modeling and the analysis of the mechanical properties are conducted via ANSYS software.

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  • Dynamic analysis of hydraulic systems - Examples

    4. Hydraulic drive of lowering of hydraulic excavator arrow . At lowering an arrow of hydraulic excavator with sharp braking («pickup») there are the high peak pressure, being consequence of hydraulic impact in hydraulic system. For a correct choice of a pressure relief valve carrying out of dynamic analysis of hydraulic system is necessary [9].

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  • A Review on Mechanical and Hydraulic System Modeling of

    Therefore, modeling of an excavator is an important first step toward the development of advanced excavators. This paper reviews results of recent studies on the modeling of mechanical and hydraulic subsystems for the simulation, design, and control development of excavator systems. Kinematic and dynamic modeling efforts are reviewed first.

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  • STATIC ANALYSIS OF MINI HYDRAULIC BACKHOE …

    the structure of excavator on rear site. Here the static analysis is performed for all the parts of the mini hydraulic backhoe excavator attachment and stress analysis carried out based on FEA approach using ANSYS software. Von Misses stress is used as a criterion in determining the onset of failure in ductile materials, and the materials in

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  • Active-Side Calculation Method for a Backhoe Hydraulic

    Aug 14, 2019 · The digging process is a dynamic process. To solve for the digging resistance, a dynamics model needs to be established first, and then the model for solving the digging resistance is finally obtained through force analysis. 3.1. Kinematics Model. The D-H coordinates system of the hydraulic excavator is established (Figure 3) [19, 20].

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  • Static, Modal and Kinematic Analysis of Hydraulic Excavator

    Static, Modal and Kinematic Analysis of Hydraulic Excavator

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  • Dynamic Analysis of Working Device of Excavator under

    inverse kinematics and workspace of hydraulic excavator are studied, and the velocity and acceleration are analyzed. Yu et al.[15] through the kinematics and dynamics simu-lation analysis of the virtual prototype of the working device of the hydraulic excavator, the main parameters of the working range of the excavator and the pressure curve

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  • KINEMATICS OF MINI HYDRAULIC BACKHOE …

    Oct 05, 2014 · Static, modal and kinematic analysis of bucket and lower arm of hydraulic excavator has been carried out using hyperwork. Based on results obtained from analysis, it is concluded that Maximum stress and maximum displacement is lower than the limit of acceptance.

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  • Dynamic Analysis of Working Device of Excavator under

    Jun 26, 2021 · In order to more accurately analyze the dynamic characteristics of the working device of the hydraulic excavator. The load changes on the two digging trajectories were calculated and analyzed by using the limit digging force model and the theoretical digging force model, respectively. The rigid-flexible coupling model of the working device was established in ADAMS. Taking the limit digging

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  • Design and Finite Elements Analysis of a Hydraulic

    Jul 31, 2019 · Rapid growth of mining, construction and industrial activities is supported by automated high-performance machineries with sophisticated mechanism like hydraulic excavators. In this research paper, studies and researches have been carried out on the boom-arm-bucket robot system of a hydraulic excavator used especially on industrial, construction and mining sites.

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