An Optimal Design Methodology for the Trajectory of Hydraulic
WebDec 20, 2021 · Abstract. Hydraulic excavators are one type of construction equipment used in various construction sites worldwide, and their usage and scale are diverse. Generally, the work efficiency of a hydraulic excavator largely depends on human operation skills. If we can comprehend the experienced operation skills and utilize them …
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Research on Trajectory Planning and Autodig of Hydraulic Excavator
WebFig. 4 shows the approximate repartition of hydraulic sys-tem pressure as used by European excavator manufacturers. TYPICAL CRITERIA OF PUMP AND MOTOR DESIGNS USED IN EXCAVATORS TYPES Gear Type - Working pressure limited to 2500 psi. No variable displacement. Rough approximation to constant-hp curve possible, with …
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Optimal design of hydraulic excavator working device based on …
WebThe optimal design of hydraulic excavator working device is often characterized by computationally expensive analysis methods such as finite element analysis. Significant difficulties also exist when using a sensitivity-based decomposition approach to such practical engineering problems because explicit mathematical formulas between the …
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Active-Side Calculation Method for a Backhoe Hydraulic Excavator …
WebAug 14, 2019 · A hydraulic excavator has multiple degrees of freedom. There are many compound actions in the digging process of a normal state. To determine the pose and coordinates of each component, a kinematics model needs to be established. The digging process is a dynamic process.
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Structure Optimization of Excavator Bucket Mechanism …
WebNov 15, 2017 · Considering hydraulic excavator is complicated and ADAMS is not good at three-dimensional modeling. 3D model of parts for hydraulic excavator are built in the Pro/E firstly and 13 main components are assembled according to the location and assembly relationship of parts, including running device component, working rotating platform …
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Optimal design of the front linkage of a hydraulic excavator for …
WebThe workspace, working velocity, excavating force, and load capacity of a hydraulic excavator play critical roles in the performance of the excavator for various tasks. This paper presents an optimal design of the front linkage of an excavator to maximize the performances of several indices simultaneously. A multi-objective function is defined to …
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Workspace description and simulation of a backhoe device for hydraulic
WebNov 1, 2020 · A backhoe device for hydraulic excavators is generally comprised of a boom, an arm, a bucket, three pivots (three main joints) and the corresponding three groups of driving hydraulic cylinders, as shown in Fig. 2. It is very similar in structure with manipulators that consist of arms, joints and actuators.
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WebHydraulic excavator is widely utilized among water conservancy projects, highway construction, factory and other fields. Hydraulic excavator's shovel mechanism is the core part of functional performance. Whether reasonable or not, its structure will directly affect its performance. In recent years, in the optimization design of hydraulic
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Optimal Design of Hydraulic Excavator Shovel Attachment Based …
WebMar 7, 2019 · The optimal design of TriPower shovel attachment remains a challenging task although TriPower face shovel excavators work well in mines all over the world. To address this issue, we establish the multiobjective optimization model of TriPower shovel attachment, which sets three kinematic indicators and two mechanical indicators as the …
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Optimal Design of Hydraulic Excavator Shovel Attachment Based …
WebMar 7, 2019 · The optimal design of TriPower shovel attachment remains a challenging task although TriPower face shovel excavators work well in mines all over the world. To address this issue, we establish the multiobjective optimization model of TriPower shovel attachment, which sets three kinematic indicators and two mechanical indicators as the …
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Mechanism optimal design of backhoe hydraulic excavator …
WebIn order to solve the problem that hydraulic excavator in the real working process cannot meet the design requirements and reveals in-sufficient digging force, a new method on mechanism optimal design of backhoe hydraulic excavator working device based on digging paths is introduced and discussed in this paper.
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Hydraulic Equipment and - JSTOR
WebJul 20, 2021 · Hydraulic excavators are widely used in extremely harsh environments for mining, transportation, and civil engineering. 1,2 However, the following problems persist regarding the process of work: (1) the high intensity of labor required from the operators, (2) a dangerous working environment, and (3) the large amounts of money, material …
Get a quoteWorkspace description and simulation of a backhoe device for hydraulic
WebNov 1, 2020 · A backhoe device for hydraulic excavators is generally comprised of a boom, an arm, a bucket, three pivots (three main joints) and the corresponding three groups of driving hydraulic cylinders, as shown in Fig. 2. It is very similar in structure with manipulators that consist of arms, joints and actuators.
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Lightweight and High-Strength Design of an Excavator …
WebAs an example, the paper provides experimental results of tribological research and tribological criterion indicators during examination and synthesis of manipulator drive mechanisms in a hydraulic excavator of 17,000 kg in mass. Keywords hydraulic excavators drive mechanisms optimization tribological criterion multybody dynamics …
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Optimal Design of Hydraulic Excavator Shovel Attachment Based …
WebMar 7, 2019 · Finally, in [36], the design of a hydraulic excavator is stated as a multiobjective optimization problem, where the geometrical shape and the relative position of a shovel attachment are
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Optimization of manipulator drive mechanisms of hydraulic excavators …
Web* More efficient return Tailless design for a turning radius ensures that the XE15U hydraulic excavator will not touch obstacles at the tail in narrow working conditions. * More reliable and durable A four-point supporting shed that meets safety standards is used for the cab, and widens the driver's horizon while ensures the shed's strength.
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Optimal design of hydraulic excavator working device based on …
WebThe optimal design of hydraulic excavator working device is often characterized by computationally expensive analysis methods such as finite element analysis. Significant difficulties also exist when using a sensitivity-based decomposition approach to such practical engineering problems because explicit mathematical formulas between the …
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Advances in Mechanical Engineering 2016, Vol. 8(5) 1–12 …
WebJan 29, 2016 · Optimal design of hydraulic excavator working device based on multiple surrogate models Qingying Qiu, Bing Li and Peien Feng Abstract The optimal design of hydraulic excavator working device is often characterized by computationally expensive analysis methods such as finite element analysis.
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Optimal Design of Hydraulic Excavator Shovel Attachment Based …
WebOct 13, 2017 · The optimization results indicate that the average values of the maximum digging force, isotropy measure of the digging force, and full exertion proportion measures of the bucket cylinder and stick cylinder in the customary digging workspace respectively increase by 1.81%, 1.51%, 9.64%, and 15.15% relative to the initial excavator, and …
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Mechanism optimal design of backhoe hydraulic excavator working device
WebIn order to solve the problem that hydraulic excavator in the real working process cannot meet the design requirements and reveals insufficient digging force, a new method on mechanism optimal design of backhoe hydraulic excavator working device based on digging paths is introduced and discussed in this paper. Considering the characteristics of …
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