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Chain Hoist Packages

Product Overview

QL Modular Crane packages are pre-engineered, complete crane component packages utilizing cutting edge technology including the innovative LK electric chain hoist. Variable frequency drives are standard on trolley and bridge motions for smooth starts and stops. Plug-in electrical cabling* and bolted structural connections simplify assembly.

Photo Gallery

About Chain Hoist Packages

 

STANDARD FEATURES

  • 1/2 ton to 5 ton capacities with ASME duty ratings; 500kg - 5,000 kg capacities with FEM duty ratings
  • Single girder top running or single girder under running crane configurations
  • LK electric chain hoist with motorized trolley
  • Operates with most three phase power supplies. (Controls are voltage specific.)
  • Two-speed hoist controls, variable frequency trolley and bridge controls are standard
  • Standard crane spans up to 62 ft [19m]; longer spans available.
  • Pendant controller or optional RaCon III radio controller
  • Pre-engineered crane electrification package
  • Various crane and hoist options are available
  • Indoor service

* Plug-in connections may not be available for packages with spans over 62 ft (19m) or 208 or 230/3/60 power supply. 

 

QL BRIDGE CONTROLS STANDARD FEATURES

  • Standard inverter offers two speed or infinitely variable speed control.
  • CSA c/us approved NEMA 4-3R type/IP55 rated control enclosures for indoor use
  • Mainline disconnect switch (mounted in door)
  • Mainline contactor
  • Plug-in connections* for easy assembly and maintenance
  • Control transformer with fused secondary
  • Supports 208, 230, 460 or 575/3/60 power supply - 115 volt control voltage is standard (48 volt is optional)
  • Supports 380/3/50 power supply - 48 volt
  • Slow down bridge traveling limit switch 

 

CRANE ELECTRIFICATION PACKAGE FESTOON SYSTEM

  • PVC flat cables are UL listed and CSA approved with a temperature range of -31ºF to +221ºF (-35ºC to +105ºC)
  • Suspended from galvanized steel C-track
  • Galvanized steel cable trolleys with steel and plastic cable supports
  • Plug connections* on cables make installation, repair and replacement simple and fast, saving expensive down time and the cost of an electrician
  • All movements can be controlled from a convenient, easy-to-reach plug-in pushbutton station (8 buttons including emergency stop button)
  • Independent C-track for pendant station allows operator to be positioned at a safe distance from load

* Plug-in connections may not be available for packages with spans over 62 ft (19m) or 208 or 230/3/60 power supply. 

 

HOIST CONTROL OPTIONS

  • Variable frequency drive hoist control provides precision hook positioning LK10 frame size only
  • Tandem control for simultaneous or independent control of two similar hoists on bridge
  • Hour counter for scheduled preventive maintenance as well as hoist SWP (Safe Working Period) calculations

 

QL CRANE OPTIONS

  • Horn
  • Radio control
  • Flashing light for crane traveling
  • Two-speed contactor controls for bridge drives

 


 

NEW PRQ PENDANT

The new standard 3-motion pendant for use with QX modular crane packages featuring the Spacemaster SX wire rope hoist and the QL Modular crane packages featuring the LK electric chain hoist. Innovated options such as a magnet attached directly to the enclosure provide a means to secure the pendant when not in use. 

PRQ Pendant

PRQ PENDANT STANDARD FEATURES:

  • Pistol-grip style for hoist motion; diamond shape pushbuttons for travel motions
  • Emergency Stop - push to maintain, pull to release
  • Pushbutton contacts for all motions are 2-steps and mechanically interlocked
  • ANSI direction symbols (UP/DOWN, EAST/WEST, NORTH/SOUTH)
  • Pendant has the CE Mark and UL Component Mark (file E360408)

 

 

PRQ PENDANT TECHNICAL SPECIFICATIONS:

  • Operating voltage - 48VAC, 115VAC and 230VAC
  • Contact rating - 5A 48VAC,  3A 125VAC, 2A 250VAC
  • Service life - Mechanical durability: 1,000,000 cycles; Electrical durability 500,000 cycles
  • Operating frequency - Mechanical: 1,200 times per hour; Electrically: 1,200 times per hour
  • Protection class - IP55, NEMA TYPE 4

 

PRQ PENDANT OPTIONS INCLUDE:

  • Magnet
  • 6 button or 10 button housing
  • DIN or SFS direction symbols
  • Pilot lamp
  • Additional control elements:
    • Key switch
    • Horn
    • Selector switch
    • Restricted area bypass
    • Inching
    • Micro speed
    • 2-step load limiter
    • Operating limit bypass
    • Motorized hook

 


 

 LK ELECTRIC CHAIN HOISTS

  • All R&M hoists are statically and dynamically tested with a minimum of 125% rated load prior to shipping
  • ASME HST-1
  • ASME B30.16
  • EC Declaration of Conformity
  • CSA approval (60 Hz, 115 VAC models only)
  • RoHS Compliant
  • Plug-in push button pendant with E-stop & built in mainline contactor are standard
  • Integral hoist control panel and push button enclosures bothmeet NEMA type 3R (IP55) protection classification

 

LK INNOVATIVE PERFORMANCE WITH EASY OPERATIONS:

  • Power and control plugs for quick assembly and disassembly
  • Electrics split on two main printed circuit boards (PCB)
  • Power and motor control PCB
  • Electrical cover safety cables retain fasteners during service
  • Electrical components designed for plug and play
  • Easily replaceable components (including hoist motor)
  • Easy access to internal chain guide and sprocket - Can be easily inspected and replaced

PC Board

LK INNOVATIVE SLIP CLUTCH & BRAKE:

  • DC brake for quite operation; IP66 protection class
  • Easy to adjust slip clutch/overload device
  • Hoist brake designed to last for the DWP (designed working period) of the hoist. No air gap adjustment required
  • Disc brake is positioned after the clutch on load path
  • Design enables brake to hold load without interaction of the clutch

 

LK ELECTRICAL LIMIT SWITCH:

  • Rocker style electrical limit, protected inside hoist body
  • Limit switch triggered by rubber protection of bottom block or rubber cased fall stop on loose end
  • Mounted to pressure cast aluminum chain guide

LK TOUGHEST GEARBOX IN THE BUSINESS:

  • Minimum AGMA 10 heat treated helical gearing
  • Permanently lubricated gearbox for the DWP of the hoist
  • Quiet gear train – < 70 db - Maximum

 

LK LOAD WHEEL:

  • Precision manufactured, hardened load wheel
  • Patented load wheel with five intermediate teeth; low noise, less chain wear, for smooth and quiet operation

Load Wheel

LK CONTROL:

  • Voltage control 48 VAC (50 Hz) or 115 VAC (60 Hz)
  • Single speed hoists are voltage re-connectable for 208, 230, 460V/3/60 Hz and easily re-connectable with plug and fuse change

 

LK HIGH PERFORMANCE TEFC (TOTALLY ENCLOSED FAN COOLED) MOTOR:

  • Heavy duty type 50% ED rating (exceeds 30 min. rating) on three phase motors
  • IP55 protection; Class F Insulation
  • Optimum cooling with ribbed aluminum construction motor for maximum surface area
  • Motor thermal protection with bi-metal switch  

LK Cut-a-way

LK HOIST BODY:

  • Constructed of pressure-cast aluminum
  • 70µm epoxy painted for corrosion resistance