CN105604109A - Hydraulic regeneration system of movable
The invention provides a kind of hydraulic regenerating system of excavator swing arm, can pass through excavator swing armRevolution action control excavator swing arm decline time, the main pump flow of major loop turn-offs completely,Described boom cylinder is realized flow regeneration, and then has ensured regeneration efficiency, has
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Maintenance Strategy Based on Reliability Analysis and
Nov 19, 2020 · A simple and effective mechanical parts maintenance approach with lower cost is urgently needed by the cost-sensitive manufactures for traditional excavators (HE). This paper proposes maintenance strategy for hydraulic cylinders (HC) of HE with energy regeneration and recovery system (ERRS). Reliability analysis and FMEA of historical failure data are applied to make maintenance strategy.
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Linde Hydraulics introduces the next generation of control
Option Boom or Lift-Regeneration: Boom or Lift-Regeneration is used for lifting functions, such as the boom of the excavator. In this function, the weight force is used during lowering and the oil flow from the return of the lifting cylinder is partially diverted to the opposite side. In this
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Boom Potential Energy Regeneration Scheme for Hydraulic
Nov 03, 2016 · This paper introduces a new regeneration scheme to recover the boom potential energy for hydraulic excavators. By directly connecting the head chambers of the boom cylinders to a variable displacement hydraulic motor installed on the engine shaft, the boom potential energy could be used to support the torque required to be delivered by the engine.
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Simulated research on large-excavator boom based on
Jan 26, 2021 · This scheme belongs to the excavator boom potential energy regeneration method. When the boom is lowered, the accumulator and the pump/motor function, part of the hydraulic cylinder rodless cavity fluid entering the rod cavity and the other part filling the accumulator with fluid and driving the pump/motor to assist the engine's work.
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10-3 Application of Power Regenerative Boom system to
A kind of energy-regenerating system of excavator and excavator. Technical field. The invention belongs to the energy regenerating and regenerative use technology of big machinery, are related to a
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New Volvo EC750E excavator for Wooldridge Demolition | Agg-Net
Mar 29, 2021 · Surrey-based contractor uses high-reach machine to demolish derelict buildings as part of urban regeneration scheme in London WOOLDRIDGE Demolition have taken delivery of their largest high-reach demolition excavator – an SMT GB-supplied Volvo EC750E complete with a 40m telescopic boom (supplied by Kocurek Excavators) capable of operating a 3-tonne attachment at full height.
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Energy recovery and utilization system of excavator …
Jan 01, 2017 · Zhang et al. proposed different the GPERSs of the boom by using the hydraulic generator and motor regeneration to recover energy when the boom of hydraulic excavator descends. It is reported that the recovery efficiency is about 22%. In, two different boom energy regeneration configurations were compared. The result showed that 41% of the total potential energy could be regenerated by using the …
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Simulated research on large-excavator boom based on
Jan 26, 2021 · This scheme belongs to the excavator boom potential energy regeneration method. When the boom is lowered, the accumulator and the pump/motor function, part of the hydraulic cylinder rodless cavity fluid entering the rod cavity and the other part filling the accumulator with fluid and driving the pump/motor to assist the engine's work.
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CN103851040B - Energy regeneration system of excavator and
But excavator is in real work, in order to improve answering for the convenience of operating efficiency and operation, swing arm and dipper Conjunction action is the most frequent.When swing arm declines and dipper excavates action simultaneously, the big chamber of boom cylinder has hydraulic oil more than needed to be back to Fuel tank, causes the hydraulic oil in the waste of energy, the
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320C Excavator Hydraulic System – Main Control Valve | CAT
Boom regeneration valve (27) supplies return oil from the head end of the boom cylinders to the rod end of the boom cylinders when the boom is lowered. Load check valves (26) are part of the following control valves: attachment control valve (12), bucket control valve (13), boom I control valve (15) and stick II control valve (16) .
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CN103851040B - Energy regeneration system of …
Kim et al. [11] developed a new regeneration scheme to recover the boom potential energy for hydraulic excavators by directly connecting the head chambers of the boom cylinders to a variable
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New compound energy regeneration system and control
Aug 01, 2016 · Fig. 1 shows that the time required to regenerate the potential energy of the boom is approximately 3 s, while a typical working period is about 20 s.Moreover, the regeneration power changes quickly and periodically. The peak power is approximately 35 kW, while the average power is 15 kW.The total regeneration energy in one working cycle is approximately 42.5 kJ.
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What Is an Excavator Boom? (with picture) - Info Bloom
An excavator boom is a component used to operate an excavator, a piece of heavy machinery used for digging holes or otherwise moving large amounts of material. The excavator usually consists of a base with tracks or treads attached to rotating wheels, as well as a unit known as the house that rotates 360 degrees so the operator can access
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Linde Hydraulics introduces the next generation of control
This paper is presenting the application of Power Regenerative Boom(PRB) system to excavator. In order to increase the fuel efficiency of the excavator, potential energy of the front structure is recuperated by the hydraulic hybrid system with electric-hydraulic control, during boom down motion. Charged energy into accumulator is reused after
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New compound energy regeneration system and control
Aug 01, 2016 · Fig. 1 shows that the time required to regenerate the potential energy of the boom is approximately 3 s, while a typical working period is about 20 s.Moreover, the regeneration power changes quickly and periodically. The peak power is approximately 35 kW, while the average power is 15 kW.The total regeneration energy in one working cycle is approximately 42.5 kJ.
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Boom Potential Energy Regeneration Scheme for …
Jun 26, 2021 · Control Analysis Of Kobelco's Excavator Boom Recovery, Regeneration And Sequential Merging System Jun 26, 2021. 1. Regenerative control (normal regeneration position) @When performing arm recovery operation, the pilot pressure will switch the arm spool for the second time, and at the same time, it will be input to the low pressure pressure sensor (SE-7).
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New hydraulic regeneration system gives digging a boost on
Aug 22, 2016 · New hydraulic regeneration system gives digging a boost on Kobelco SK300LC-10 excavator. August 22, 2016. The new KOBELCO SK300LC-10 excavator leads the way in power, productivity and efficiency. As part of the Kobelco Generation 10, the new SK300LC-10 excavator establishes new standards in value, productivity and durability.
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KX KX040-4 KUBOTA COMPACT EXCAVATOR
Automatic regeneration system point on top of the boom, for convenient 3-point crane lifting of the KX040-4. Tilt blade control The 6–in-1 blade is a true productivity enhancer, and operation is now Although your Kubota excavator is state-of-the-art, its maintenance doesn't get much
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Boom Potential Energy Regeneration Scheme for Hydraulic
Nov 03, 2016 · This paper introduces a new regeneration scheme to recover the boom potential energy for hydraulic excavators. By directly connecting the head chambers of the boom cylinders to a variable displacement hydraulic motor installed on the engine shaft, the boom potential energy could be used to support the torque required to be delivered by the engine.
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