Lonking Cdm6235e New Construction Machinery 22 Tons
flow, the proportional solenoid valve regulates the two-stage pressure control of the main overflow valve. Functions This machine allows the functions of straight travel, boom/arm confluence, boom/arm holding, swing priority, swing anti-reversing and regeneration of arm cylinder. Each circuit without interference during composite action.
Get a quote
Talk About The Operator, Controller, Valve Device, Rotary
Dec 08, 2021 · The valve device is used to control the main control valve, but in order to operate manually and remotely in the cab, the pressure of both can be selected through the prismatic valve. In addition, due to the combination of electromagnetic proportional control valve and electromagnetic change-over valve, in case of failure in that aspect, it can
Get a quote
The applications of energy regeneration and conversion
Feb 01, 2020 · The pump pressure with the valve metre-in control mode and the pump flow with valve metre-out control mode yield 25.8% and 35.3% energy-saving ratios, respectively. 9. Ge et al. Hydraulic excavator: Parallel hybrid: Potential energy: A circuit principle of a single-rod cylinder controlled by asymmetric pumps
Get a quote
CN102912821A - Hydraulic excavating energy saving …
The invention discloses a hydraulic excavating energy saving system. The hydraulic excavating energy saving system comprises a movable arm driving oil cylinder, a loading mechanism, an oil-electricity-liquid hybrid driving system, a hydraulic accumulator control unit, a hydraulic control unit of the movable arm driving oil cylinder, a hydraulic control unit of the loading mechanism, …
Get a quote
Positive control block in mono block design M9-25
Control principle: 2 circuit positive control (no fixed pump circuit possible) 6/3-way valve control Internal summing functions for arm and boom Improved distribution of quantities with parallel motions for driving/equipment Arm regeneration with braking valve function at the tank
Get a quote
Energies | Free Full-Text | A Novel Energy Recovery System
The working principle of the system is analyzed in detail. The introduction of flow regeneration has two benefits; one is downsizing the displacement of PM and the other one is an extra improvement of energy efficiency. The primary parameters of both are matched based on a …
Get a quote
CN103851040B - Energy regeneration system of …
As shown in figure 3, during swing arm declines, which excavates the regeneration of composite move oil circuit, 8 couples of behaviour of master controller with dipper Make the detection of 9
Get a quote
Energy Consumption of an LS Excavator Hydraulic System
However, in a typical excavator, the valve-controlled hydraulic system equipped with load sensing technology still accounts for 35% of the total energy consumption [5]. Because the valveless
Get a quote
Technical Article Safety Valves - Bucher Hydraulics
standard safety valves up to the safety valve that features the additional built-in benefit of energy regeneration. High levels of safety and functionality coupled with compact design are some of the most im-portant requirements in mobile applications. Whether mobile crane or …
Get a quote
SV60-6B｜Mini Excavators｜Products｜Construction｜YANMAR
5635 kg. Width. 1990 mm. Digging Depth. 3650 - 3945 mm. A winning combination of technology and innovation, the SV60-6B offers the performance of a midi excavator while reaping the benefits of a compact excavator. Designed to work effectively on a wide variety of sites, it combines compactness, power, versatility, reliability and durability.
Get a quote
Dual Source Integrated Driving for Hydraulic Excavator
system, which was used to drive the excavator boom, arm and bucket, the simulation results demonstrated that the efficiencies could be improved by 8 – 28% [13].
Get a quote
【Lonking CDM6065/6065E Hydraulic Excavator 】LONGGONG
Arm regeneration circuit, to promote excavating speed. Auxiliary Hydraulic Valve The main valve is provided with a set of standby valves to facilitate the installation of other accessories such as the breaking hammer.
Get a quote
6 Cases Analysis Of Relieving Arm Failure Of Komatsu Excavator
1. The valve core of the pull rod can not be completely repositioned or spool worn. It is recommended to check whether the spool is in position and the other is not in place. At the same time, the corresponding two overflow valves should be checked. 2, the excavator arm maintenance valve is damaged, or the forearm cylinder oil seal is damaged.
Get a quote
CN105604109A - Hydraulic regeneration system of …
A kind of excavator swing arm regenerative circuit, this excavator swing arm regenerative circuit designs on main valveCheck valve, in the time that swing arm declines, the pressure of rodless cavity side is higher, and a part of hydraulic oil is from effluentCheck valve in banked direction control valves is got back to rod chamber side, and without main pump and fuel tank, therefore
Get a quote
Lonking with Yanmar Engine 6 Ton Euro 2 Mini Excavator
Arm regeneration circuit, to promote excavating speed. Auxiliary Hydraulic Valve The main valve is provided with a set of standby valves to facilitate the installation of other accessories such as the breaking hammer. Filtering System
Get a quote
TECHNICAL TIPS REGENERATIVE VALVES
NOTE: Regeneration circuits apply only to single rod cylinders in the extended direction. SUN Hydraulics offers two types of regenerative valve assemblies, pressure sensitive and continuous regeneration. Determination of the type of regenerative circuit to be used is dependent upon the system requirements. In making this determination, several
Get a quote
Energy recovery and utilization system of excavator boom
Dec 10, 2019 · Flow regeneration. When one-way valves 7–8 and throttle valves 9–10 are added to the circuit of excavator boom, the flow regeneration circuit will be formed, as shown in Fig. 3 [].In the flow regeneration circuit, the oil return pressure of the NRCBCs is increased by the one-way valve 7 and throttle valve 10; and one part oil of the NRCBCs enters into the RCBCs via the …
Get a quote
Komatsu redefines compact design with its tight tail excavator
Oct 28, 2021 · Oct 28, 2021. The Komatsu PC78US-11 compact excavator has a 12-foot 2-inch boom with a greater raising angle and a short implement swing radius for digging efficiently in a crowded space. Komatsu
Get a quote
AKW GROUP - China CDM6065 Hydraulic Crawler Excavator
Arm regeneration circuit, to promote excavating speed. Auxiliary Hydraulic Valve The main valve is provided with a set of standby valves to facilitate the installation of other accessories such as the breaking hammer.
Get a quote
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 …
Get a quote
