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Construction, Working and Maintenance of Stackers and

Luffing- This is the vertical up/down movement of the boom mostly powered by two hydraulic cylinders. Slewing- This is rotation of the boom around its central axis to discharge the material on the stock yard where required. Above figure shows types of stackers based on boom features. Stacker Construction

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HYDRAULIC TRUCK CRANE - TADANO

SLEWING Hydraulic axial piston motor driven through planetary slewing speed reducer. Continuous 360˚ full circle slewing on ball bearing. Equipped with manually locked/released slewing brake. A positive slewing lock for travel modes, manually engaged in cab. Twin slewing system : Free slewing or lock slewing controlled by selector switch in cab.

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System and Technology Expertise - Liebherr

motor, which drives a geared slewing bearing Hydraulic pitch systems All-in-one solution based on hydraulic cylinders, hydraulic power unit, hydraulic manifolds, control system as well as accumulators and gearless slewing bearing for adjusting the rotor blade position.

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SLEWING - Cone Drive

slewing drive WE Enclosed housing slewing drive WEA Eonsedcl housing slewing drive with advanced sealing S Open housing slewing drive SE Enclosed housing slewing hydraulic motor B SAE 68 spline 12 12 mm keyed shaft 14 14 mm keyed shaft 16 16 mm keyed shaft 20 20 mm keyed shaft 25 25 mm keyed shaft 1’ 1’ keyed shaft

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Gearboxes and Rope Winches by Liebherr

extends from slewing and swivelling drives, wheel and travel drives as well as compact and heavy duty winches to drilling drives, cyclone drives, mixer drives and other special solu- ing electric or hydraulic motors is possible between i=15 and i=1,500. The lightest slewing drive, DAT 200, weighs barely 75

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Construction, Working and Maintenance of Stackers and

The stacker shown in above figure is driven by a hydraulic drive (hydraulic cylinders). Above figure shows a luffing stacker (stacker without slewing mechanism). Luffing stackers can make stockpile in Chevron and Cone Shell type of formation. Above figure shows a luffing and slewing stacker. Luffing and slewing stackers are used to

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Electrohydraulic Control Solutions For Ecaaor

tion of swing or slewing function. The swing motor is often an open loop circuit requiring anti-cavitation. Here’s an option for preventing anti-cavitation of the hydraulic motor for excavator swing/slew functions. This circuit also reduces the nuer of hydraulic fittings and leakage points. DIRECTIONAL BRIDGE CIRCUIT LOW LEAKAGE BUCKET CONTROL

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HYDRAULIC TRUCK CRANE - TADANO

SLEWING Hydraulic axial piston motor driven through planetary slewing speed reducer. Continuous 360˚ full circle slewing on ball bearing. Equipped with manually locked/released slewing brake. A positive slewing lock for travel modes, manually engaged in cab. Twin slewing system : Free slewing or lock slewing controlled by selector switch in cab.

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IMM-0001E Industrial S-Series Slewing (MTF011000-2015)

Manual Industrial and Slewing Rev. 00 23/10/2014 Document issued IMM-0001EN Industrial _S-Series_Slewing (MTF011000-2015) Rev.01 10/10/2018 - Changed layout - Added Version tracking p. 6 - Changed Technical data p. 7

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(PDF) Liebherr_Mobile_Harbour_Cranes.pdf | Prabir Datta

Due The winches are loed within the rear part of the slewing plat- to the round tower design the load is already distributed over form. Various winches are available according to crane variants 360 degrees when it arrives at the slew-ring resulting in longer and appliion. life time of components as well as the steel structure.

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Gearboxes and Rope Winches by Liebherr

extends from slewing and swivelling drives, wheel and travel drives as well as compact and heavy duty winches to drilling drives, cyclone drives, mixer drives and other special solu- ing electric or hydraulic motors is possible between i=15 and i=1,500. The lightest slewing drive, DAT 200, weighs barely 75

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Gearboxes and Rope Winches by Liebherr

extends from slewing and swivelling drives, wheel and travel drives as well as compact and heavy duty winches to drilling drives, cyclone drives, mixer drives and other special solu- ing electric or hydraulic motors is possible between i=15 and i=1,500. The lightest slewing drive, DAT 200, weighs barely 75

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SPECIFIION OF HYDRAULIC TRACK LIFTING CUM …

The track lifting cum slewing device (hereinafter called TRALIS) is a hydraulic device used to lift and slew plain track and turnouts. TRALIS consists of a pair of lifting cum slewing unit and a pumping unit. Each lifting cum slewing unit comprises of one vertical and one horizontal jack joined together and can be

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Full Hydraulic Truck Crane QY50H

QY50H (ZLJ5410JQZ50H) truck crane is a full slewing hydraulic truck crane with telescoping boom It has max-lifting capacity of 50. 5t. It adopts full-width self-made special purpose chassis with 8 4 driven, and is equipped with Styre WD615.67A enviroment friendly engine …

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SERVICE NEWS

recommended oil table for mitsubishi hydraulic deck machinery and deck crane . as of april 16, 2018 maker hydraulic oil lubriing oil grease (for bearing etc) hydraulic oil for remote control flushing oil for enclosed gear (please select the oil complying with din 51517-3:2004) for opened gear for wire rope p-m type pm-p type

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Cranes

Max. hydraulic outreach 4.0 m 13Õ2Ò Max. manual outreach 5.0 m 16Õ5Ò Stabilizer 1.75 m 5Õ9Ò Slewing angle 330 ¡ Operating pressure 190 bar 2755 psi Dead weight 230 kg 506 lbs Lifting moment 3.28 mt/23580 ft.lbs Outreach Capacity 1.55 m 5Õ1Ò 2050 kg 4514 lbs 2.65 m 8Õ8Ò 1130 kg 2488 lbs 3.00 m 9Õ10Ò 990 kg 2180 lbs 3.75 m 12Õ3Ò

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HYDRAULIC CRAWLER CRANE

slewing pinion. Slewing pinion meshes with internal teeth of slewing (ring) gear of turntable bearing inner race. Brakes — Spring-applied, power hydraulically released multiple wet-disc type; provided on each of hydraulic motor. Slewing speed control — Max. slewing speed can be tuned according to arbitrary value that is

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Industrial Solutions Shiploaders - ThyssenKrupp

Slewing Shiploader | C-Frame ydraulically operated deflector plate at boom end H uffing by hydraulic cylinder, shuttling by rack and pinion drive, loading spout with rotating and tilting trimming spoon L uffing by rope winch, loading chute with fixed length L Slewing Shiploader | Stacker Type oined for bulk and bags C

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COMPLETE DECK EQUIPMENT SOLUTIONS

External hydraulic power packs Local control stand (FLVK) FEATURES OPTIONS Crane Type Outreach Lifting Capacity Moment Total Moment Pedestal Outer Diameter Slewing Angle Operating Pressure Dead Weight PC 2700 1.5–5 m 1745–500 kg 25.6–25 kNm 27.2 kNm 325° 200 bar 230–260 kg

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Slewing Drive for Industrial & OEM Appliions | Fast

Slewing Drive. Slewing drive bearings are usually found in appliion such as: wind turbines, heavy load transporters, solar trackers, harbor cranes, hydraulic equipment, crane steering mechanisms, automation systems, heavy load manipulators, yaw and pitch control tables.

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Slewing Drives by Liebherr Liebherr Components

Liebherr slewing drives are characterised by maximum torque density with low installation space requirements. Since the Group was established, Liebherr’s strategy has been to focus on a high degree of vertical integration. For example, customers can be offered hydraulic and electric motors which are matched to the slewing drives and

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Cranes

Max. hydraulic outreach 4.0 m 13Õ2Ò Max. manual outreach 5.0 m 16Õ5Ò Stabilizer 1.75 m 5Õ9Ò Slewing angle 330 ¡ Operating pressure 190 bar 2755 psi Dead weight 230 kg 506 lbs Lifting moment 3.28 mt/23580 ft.lbs Outreach Capacity 1.55 m 5Õ1Ò 2050 kg 4514 lbs 2.65 m 8Õ8Ò 1130 kg 2488 lbs 3.00 m 9Õ10Ò 990 kg 2180 lbs 3.75 m 12Õ3Ò

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Slewing bearings | SKF

Slewing bearings comprise an inner ring and an outer ring, one of which usually incorporates a gear. Together with attachment holes in both rings, they enable an optimized power transmission with a simple and quick connection between adjacent machine components.

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Slewing ring bearings, turntable bearings – FH Slewing Bearing

slewing bearing manufacturing process. Slewing ring bearing is also called slewing bearing. The main structure includes: inner ring, outer ring, rolling element and the retention of rolling element guide. It. The quick-response pre-sales team will shorten the time and give a …

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US20050144941A1 - Hydraulic circuit of excavating and

A hydraulic circuit of a excavating-and-slewing working vehicle, comprising: actuators for a boom, a bucket, slewing and an arm; directional control valves for the respective actuators; a pair of first and second hydraulic pumps for supplying pressure oil to the actuators through the respective directional control valves; a delivery oil passage of the first hydraulic pump tandem …

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Crawler Crane Technical Manual

hydraulic motor, gear reducer, slewing brake valve, brake and pinion gear as well as slewing ring. The superstructure can realize 360° continuous rotation via slewing ring which is driven by pinion gear. 7. Safety equipment Load moment limiter It …

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Electrohydraulic Control Solutions For Ecaaor

tion of swing or slewing function. The swing motor is often an open loop circuit requiring anti-cavitation. Here’s an option for preventing anti-cavitation of the hydraulic motor for excavator swing/slew functions. This circuit also reduces the nuer of hydraulic fittings and leakage points. DIRECTIONAL BRIDGE CIRCUIT LOW LEAKAGE BUCKET CONTROL

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Hydraulic piston-cylinder-unit for a slewing drive

Apr 29, 1999· The hydraulic piston-cylinder-unit as claimed in claim 15, wherein the center meer exhibits a strap by means of which a slewing meer is mounted in the carrier of the slewing meer so as to swivel. 19. The hydraulic piston-cylinder-unit as claimed in claim 15, wherein the cylinder is a twin-plunger cylinder having chaers of different

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Construction, Working and Maintenance of Stackers and

The stacker shown in above figure is driven by a hydraulic drive (hydraulic cylinders). Above figure shows a luffing stacker (stacker without slewing mechanism). Luffing stackers can make stockpile in Chevron and Cone Shell type of formation. Above figure shows a luffing and slewing stacker. Luffing and slewing stackers are used to

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HYDRAULIC CRAWLER CRANE

SLEWING: Driven by a bi-directional, axial piston hydraulic motor through 2-stage planetary reduction gear unit powering swing pinion. Slewing pinion meshes with internal teeth of slewing (ring) gear of turntable bearing inner race. Brakes — Spring-applied, power hydraulically released multiple wet-disc type; provided within hydraulic motor.