6. Crawler walking mechanism. The basic structure of the crawler-type walking mechanism of the single-bucket hydraulic excavator is roughly the same as other crawler-type mechanisms, but it uses two hydraulic motors to drive a crawler each. Similar to the transmission of the slewing device, a high-speed small torque motor or a low-speed large ...
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hydraulic walking mechanism supply hydraulic walking Prior art date Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Pending Application number DE Other languages German (de ...
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The thermal engineering calculation for the hydraulic dragline walking mechanism is presented with the aim of using the heat generated during the dragline movement to heat the driver's cab ...
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T1 - Transfemoral amputees walking on a rotary hydraulic prosthetic knee mechanism. T2 - A preliminary report. AU - Blumentritt, S. AU - Scherer, Hans Werner. AU - Michael, John W. AU - Schmalz, T. PY - 1998. Y1 - 1998
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The walking mechanism can be hydraulic transmission or mechanical transmission. According to the working principle of the working device and the connection mode between the bucket and the boom, hydraulic excavators are mainly divided into forward shovel and backhoe. The front shovel is widely used in the mine because the front shovel hydraulic ...
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Chen et al. [15] coupled EDEM with MBD software RecurDyn and simulated the walking process of an electric shovel on the sand-gravel pavement. For a hydraulic excavator comprising an integrated system, the connection of different physical components needs to be considered. ... Tracked walking mechanism for large hydraulic excavators. Autom ...
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hydraulic walking mechanism which minimizes soil contact pressure both during operations and while moving the ma-chine has become the most common. This is important …
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Our single drive walking beam has easy operation, minimal maintenance and easy troubleshooting. Learn more about our compact and customizable unit. Skip to content. LinkedIn; DOWNLOAD; 248-743-9999 [email protected] Members Login; Products & Services. Rotary Index Tables. Fixed Rotary Index Tables. RTX; RT; TT;
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An energy harvesting mechanism transfer human walking energy to hydraulic power Abstract: In order to solve the problem of energy supply for wearable and portable electronic equipment and exoskeleton, a direct energy recovery mechanism based on hydraulic transmission principle was designed. Firstly, according to the particularity of human body ...
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The stability and climbing ability of the wheel-track walking mechanism was better when the coordinated variable triangle track in the stretch state, and the mobility and steering ability was better in the con-traction state. Keywords Wheel-track walking mechanism, walking mechanism, kinematics equation, motion simulation, virtual prototype ...
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A hydraulic walking type automatic walking mechanism comprises a guide rail, a counterforce base, a hydraulic oil cylinder and a sliding seat. The counterforce base and the sliding seat are installed on the guide rail. One end of the hydraulic oil cylinder is connected with the counterforce base, and the other end of the hydraulic oil cylinder is connected with the sliding seat.
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OMV800 OMV-800 151B3104 151B3300 151B3104 151B2192 151B3310 OMV Hydraulic Piston Motor OMV400 151B3101 Factory Price Parker F1 Series F1-25 F1-41 F1-51 F1-61 F1-81 F1-101 F1-41-R F1-061-R0-SN-S-000 Hydraulic Piston Pump Rexroth original R910915383 A2FM250/60W-VZB010 hydraulic motor High Speed Hydraulic Vane Motor 25M 35M 45M for …
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Here are 50 science project ideas that involve creating hydraulic systems using syringes: Syringe-Powered Robotic Arm: Build a simple robotic arm that uses syringes as hydraulic actuators to control its movement. Syringe Lift System: Design a hydraulic lift mechanism using syringes to raise and lower objects. Syringe-Powered Crane: Construct a …
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The utility model discloses a small-size hydraulic power unit's running gear, including bearing the base, bear and install main pump station and secondary pump station on the base, and be connected with main cable and vice cable on main pump station and the secondary pump station respectively, it is connected with cylinder and the winding frame that is used for accomodating …
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1. Walking hydraulic motor. The traveling hydraulic motor is a residual disc type axial variable plunger motor, which is composed of a drive shaft, a motor housing, a fixed core guide sleeve, a swash plate, a plunger, a …
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The invention also discloses a track walking mechanism with the track tensioning device and a hydraulic excavator with the track walking mechanism. Because the first cylinder of the buffer cylinder is connected with the second cylinder of the tensioning cylinder through the cylinder bottoms in the track tensioning device, when being ...
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The hydraulic mechanisms, and the pantograph mechanism in particular, overcome all of these disadvantages. In the analysis of the pantograph mechanism of the previous chapter it was …
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distance to original parallel shift mechanism position is 1.8 meter, the closing loading gate order was emitted by PLC. 6. Walking Beam Movement Process According to techniques requirement, hydraulic inclined double wheel rail drive mode was adopted by walking mechanism. The uplifted and degressive movement of kinetic beam was driven by double
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The utility model relates to a static hydraulic six-foot walking mechanism, particularly a foot type robot walking mechanism which uses six feet to creep. The utility model comprises a machine frame, a transmission mechanism arranged on the machine frame and a foot walking mechanism. Besides, the utility model also comprises a static hydraulic system which pushes an oil cylinder …
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In order to develop a mechanical simulation experiment, a dynamic simulation of crawler excavator walking mechanism is designed. The performance of walking mechanism of excavator is tested by dynamic simulation. According to the data analysis, it is known that crawler walking mechanism is an important part of mine excavator and a walking device with better adaptability …
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The thermotechnical calculation for the hydraulic dragline walking mechanism is presented with the aim of using the heat generated during the dragline movement to heat the driver's cab during ...
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A kind of advanced hydraulic support walking mechanism lifting device and its control method, by advanced hydraulic support, attachment base, lift jack, walking mechanism, electric hydraulic control valve and synchronous valve composition, advanced hydraulic support and walking mechanism are linked together by pin shaft, collectively constitute a prop, the movement of …
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Plane of wheel-track walking mechanism motion relation. Note: O m n is the coordinate of the center of gravity of the wheel-track walking mechanism at time n; ϕ m n is the direction angle of the ...
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A three-footed hydraulic walking mechanism which minimizes soil contact pressure both during operations and while moving the machine has become the most common. This is …
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Dong, Z., Quan, L., & Yang, J. (2018). Tracked walking mechanism for large hydraulic excavators. Automation in Construction, 96, 88–102. doi:10.1016/j.autcon.2018. ...
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The thermal engineering calculation for the hydraulic dragline walking mechanism is presented with the aim of using the heat generated during the dragline movement to heat the …
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In this mode, the driving mechanism, consisting of a servo system and an alternating current (AC) servomotor, is regulated by programmable logic controller (PLC) and a reasonable position accuracy control algorithm. This control mode is much more accurate and stable than the traditional hydraulic drive mode and pneumatic drive mode.
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Nor is the invention limited to the particular basic type of walking mechanism shown. the copending application of Kraschnewski et al. Ser. No. 506,207, filed Nov. 3, 1965, and noW Patent No. 3,375,892 for example, shows a walking arrangement involving vertical and horizontal hydraulic cylinders to effect the desired motion.
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The Spring Loaded Inverted Pendulum (SLIP) describes the dynamic walking of humans and animals in a simplified manner. However, realizing such movements by means of a combination of typical articulated legs and linear actuators has some limitations. This paper proposes a leg mechanism that accurately reflects the SLIP based on its mechanical …
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of the raised base is accumulated into the hydraulic accumu-lators, and the other 30% of the energy is lost as heat [3]. Thermal energy can also be used to heat the driver's cab. Hy-draulic oil of the walking mechanism [4], heated during op-eration of hydraulic systems, is …
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