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DHR rope hoist

Innovative. Smart. Lifting to the next level.

Innovative lifting solutions for safe and forward-looking operation: The new DHR rope hoist offers a high level of versatility and productivity. The DHR combines the powerful features of its two predecessor generations: Reliability, productivity and – thanks to numerous options – tailored implementation to meet the requirements of many industries. From simple lifting applications to high-performance rope hoists with smart assistance and convenience features, the DHR meets all demands for highly efficient load handling.

Compact

DHR rope hoists with compact design and low deadweight stand out due to their small external dimensions and a further reduced C dimension. This makes the best possible use of the working space for crane applications or stationary equipment.

Innovative

DHR rope hoists offer tailored solutions based on a single platform. Additional hardware options and smart features make a DHR rope hoist a smart hoist that is well equipped to meet future requirements: Lifting to the next level.

Smart

Demag DHR rope hoists offer smart features that make load handling even safer and more efficient. And transparent at all times thanks to the monitoring and remote monitoring tools.

DHR Bauformen

DHR highlights

DHR rope hoists fulfil almost any requirement:

  • EK-DHR: monorail hoist, optimised for use on single-girder cranes or monorails
  • G-DHR: basic hoist for plant engineering

With the DHR rope hoist, you have the choice for the first time: Proven lifting technology with steel ropes or with innovative synthetic ropes.

43030_300px DHR

Features of the synthetic rope:

  • Made of high-modulus polyethylene fibres
  • 12-strand non-rotating structure
  • Around 85% lighter than steel rope
  • Suitable for indoor and outdoor use
  • Temperature range: -10°C – +45°C
  • No lubrication required
  • No wear on rope drum and return sheaves
  • One type of rope for all applications

Dual Drive

43044-3_300px

For high traction, the DHR monorail hoist is equipped with a DualDrive two-wheel drive as standard. Two of the four wheels have a synchronised belt drive.

The benefits are:

  • Reliable cross-travel motion and positioning
  • Optionally available: Installation of a second cross-travel motor (DualDrive Plus), for particularly challenging ambient conditions (e.g. outdoor use, dirt accumulation on crane rail)

Thrust rocker

The DHR rope hoist has compact dimensions. It also impresses with a weight-optimised design of the hoist trolley: No counterweights are required because of the thrust rocker. These are available as an option.

  • Reduced deadweight
  • Compact dimensions
43054_300px DHR

Blue safety light

Added safety: a blue dot of light is projected on the floor to indicate the hook position

DHR rope hoist

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Innovative. Smart. Lifting to the next level.

Innovative lifting solutions for safe and forward-looking operation: The new DHR rope hoist offers a high level of versatility and productivity. The DHR combines the powerful features of its two predecessor generations: Reliability, productivity and – thanks to numerous options – tailored implementation to meet the requirements of many industries. From simple lifting applications to high-performance rope hoists with smart assistance and convenience features, the DHR meets all demands for highly efficient load handling.

Compact

DHR rope hoists with compact design and low deadweight stand out due to their small external dimensions and a further reduced C dimension. This makes the best possible use of the working space for crane applications or stationary equipment.

Innovative

DHR rope hoists offer tailored solutions based on a single platform. Additional hardware options and smart features make a DHR rope hoist a smart hoist that is well equipped to meet future requirements: Lifting to the next level.

Smart

Demag DHR rope hoists offer smart features that make load handling even safer and more efficient. And transparent at all times thanks to the monitoring and remote monitoring tools.
DHR Bauformen

DHR highlights

DHR rope hoists fulfil almost any requirement:
  • EK-DHR: monorail hoist, optimised for use on single-girder cranes or monorails
  • G-DHR: basic hoist for plant engineering
With the DHR rope hoist, you have the choice for the first time: Proven lifting technology with steel ropes or with innovative synthetic ropes.
43030_300px DHR
Features of the synthetic rope:
  • Made of high-modulus polyethylene fibres
  • 12-strand non-rotating structure
  • Around 85% lighter than steel rope
  • Suitable for indoor and outdoor use
  • Temperature range: -10°C – +45°C
  • No lubrication required
  • No wear on rope drum and return sheaves
  • One type of rope for all applications

Dual Drive

43044-3_300px
For high traction, the DHR monorail hoist is equipped with a DualDrive two-wheel drive as standard. Two of the four wheels have a synchronised belt drive.

The benefits are:

  • Reliable cross-travel motion and positioning
  • Optionally available: Installation of a second cross-travel motor (DualDrive Plus), for particularly challenging ambient conditions (e.g. outdoor use, dirt accumulation on crane rail)

Thrust rocker

The DHR rope hoist has compact dimensions. It also impresses with a weight-optimised design of the hoist trolley: No counterweights are required because of the thrust rocker. These are available as an option.
  • Reduced deadweight
  • Compact dimensions
43054_300px DHR

Blue safety light

Added safety: a blue dot of light is projected on the floor to indicate the hook position

The benefits at a glance

High variability thanks to modular design

 

  • Modular design for rope hoist configuration to meet your individual needs
  • Broad range of applications with one basic technology
  • More sizes with higher load capacities
Planning and application flexibility

 

  • Application types: foot-mounted hoist, low-headroom monorail hoist, double-rail crab, standard-headroom monorail hoist
  • Smart interfaces for many freely selectable fittings and accessories
  • Contactor control or control system provided by the customer
  • Digital components for additional safety functions
Other benefits

 

  • Reliable mechanical components
  • Choice of smart features for more convenience and improved safety
  • Remote diagnostics in real time with the Demag StatusControl app

 

Four models

 

F-DVR foot-mounted hoist

  • For stationary applications or for special trolleys
  • Can be used in four mounting positions, each with one lead-off direction
  • Load capacity: up to 80 tonnes
42673_500px_F-DVR Fußzug

EU-DVR standard-headroom monorail hoist

  • For use on monorails
  • EUD-DVR for rails with radius
  • Load capacity: up to 40 tonnes
42675_500px_EU-DVR

EK-DVR low-headroom monorail hoist with optimised headroom

  • For crane applications with compact dimensions and reduced approach dimensions
  • Lift-off and derailment protection
  • Two driven wheels
  • Load capacity: up to 12.5 tonnes
42671_500px_EK-DVR Einschienenkatze

EZ-DVR double-rail crab

  • Narrow gauge track (from 900 mm)
  • Uniform distribution of wheel loads
  • Versatile designs (low, medium, high connection)
  • Two drive units (no open gears)
  • Service platform available as an option
  • Load capacity: up to 80 tonnes
  • Two hoists on one trolley available as an option
42719_500px_EZ-DVR

Technical perfection down to the last detail

 

As with all Demag products, the DVR rope hoist focuses on the needs of our customers. The desire for flexibility and productivity is anchored in the DVR, as is the desire for reliability and cost-effectiveness. As a result, the versatile rope hoist concept impresses down to the last technical detail.

 

Five sizes

 

DVR 5 sizes

Rope drum

The basic DVR design includes a large diameter rope drum. The benefits are: High positioning accuracy and low rope wear thanks to appropriately dimensioned guide rollers. In addition, the approach dimensions are very small.
The rope drum is manufactured in-house with high precision. Since only one jig arrangement is used for all production steps, its connection points are reproducibly positioned.

Rope guide

The rope guide is made entirely of metal and guides the rope reliably and precisely with very little wear.
For the larger sizes 10 (optional) and 20-40, rope guides that use the full circumference are installed as standard.
The rope can be pulled diagonally by up to four degrees without touching the rope guide. The ropes are galvanised as standard.

Powerful and precise

The DVR rope hoist is driven by a two-stage cylindrical motor for precise lifting and lowering. It has a motor output of up to 35 kilowatts.
Standard IP 55 classification, optionally also IP 66. All motor cables have plug-in connections for simple Plug & Play. The disc brake has a high braking torque and is designed for a service life of one million switching cycles.

  • Weight-optimised and robust
  • The compact design provides reduced deadweight. The DVR hoist housing weighs significantly less for each size than in comparable ranges.

Controllers

  • When it comes to operation, we also offer our customers the greatest possible flexibility and individual freedom of choice between two control concepts.
  • Wire-connected and ergonomic
  • For control from the ground, you can choose between the DSB pendant controller or the optional extremely robust DST with up to nine control elements.

Radio control: high performance

The powerful DRC D3 radio control system permits maximum freedom of movement and ease of control. The new generation of radio transmitters can be used for up to five days of uninterrupted operation. Three transmitters can be paired with each receiver for simple transfer of control at the press of a button. Up to 40 systems from our D3 generation of radio controls can be operated in close proximity to each other without any mutual interference. High safety standards are satisfied by frequency hopping and listen-before-talk operation.

41778_1

Controllers

  • When it comes to operation, we also offer our customers the greatest possible flexibility and individual freedom of choice between two control concepts.
  • Wire-connected and ergonomic
  • For control from the ground, you can choose between the DSB pendant controller or the optional extremely robust DST with up to nine control elements.

Radio control: high performance

The powerful DRC D3 radio control system permits maximum freedom of movement and ease of control. The new generation of radio transmitters can be used for up to five days of uninterrupted operation. Three transmitters can be paired with each receiver for simple transfer of control at the press of a button. Up to 40 systems from our D3 generation of radio controls can be operated in close proximity to each other without any mutual interference. High safety standards are satisfied by frequency hopping and listen-before-talk operation.

41778_1

A variety of options are available to equip the DVR rope hoist to meet your application needs. The DVR offers variable-speed drive solutions for lifting and travel motions by using different levels of technology. The advantages of the inverters are obvious:

  • Variable speeds: 1:10, 1:25, ESR 1:37
  • Less wear: Smooth travel start-up and lifting reduces the load on the crane system
  • Longer motor/brake service life
  • Significant energy savings of up to 50%

Load-dependent lifting speed for higher productivity:

  • High speed without load (up to 100%)
  • Medium speed with partial load
  • Precise speed at full load

OWL

42445_4

Compact unit for overload protection and status display for increased safety and predictive maintenance.

  • Overload protection for individual hoists
  • Simple condition monitoring
  • Number of switching operations
  • Operating time
  • Number of braking operations
  • Number of control actuations
  • On-time
  • Temperature index
  • Number of operations with overload
  • Can be used for SWP calculation

DMU

42725_ohne

Convenient monitoring unit with CAN bus functions for improved safety, extended brake service life and optimised maintenance intervals. Identifies training needs for operators.

  • Overload protection
  • Monitoring for sudden load increase
  • Temperature monitoring of motors
  • SWP elapsed operating time counter
  • Monitoring of motor function
  • Motor start/stop by slow speed
  • Multi-hoisting tandem (up to five units)
  • Design limits (warnings)
  • Optional remote monitoring modem
  • Smart features
  • CAN bus functionalities

Further options for needs-based configuration

  • Second hoist brake for DVR 3, 5, 10
  • Drum brake for DVR 20 and 40
  • Halogen- or silicone-free cables and/or wires
  • Heating or cooling device for bridge housing
  • Crane lighting
  • Horn
  • Load display
  • Service platform
  • Stainless steel switchgear cabinets
  • Rain cover
  • Explosion-proof design (DXR)

n optional rain cover ensures the crane can operate outdoors.

42733_2_500px DVR

  • Shorter cycle times
  • More cost-effective
  • Improved workplace safety

 

Load-sway reduction

Prevents increased load sway by active counter-movements of the crane. Active system based on rope angle measurement.

Slack rope protection

Continuous monitoring of rope tension: Automatic cut-off of the hoist motor when slack rope is detected.

Area-dependent load reduction

Defined areas that the trolley may only enter when the load does not exceed a reference value.

By-pass control

Defined restricted areas (e.g. structures, machines) that must not be approached by the trolley.

Tandem control

Loads can be transported safely with two DHR rope hoists – all from a single control unit.

With Demag Modular Control:

Follow-me

Crane can be moved over the load by simply guiding the hook by hand. (Recommended for cranes up to 10 t).

Hook centring

Automatically positions the crane hook directly above the load. The advantages: faster load cycles and improved ease of operation.

Diagonal pull prevention

Rope angle monitoring, automatic cut-off in the event of diagonal pull (> 4°) to avoid dangerous situations.

Full control – from anywhere: Demag StatusControl 2.0

With Demag StatusControl 2.0, smart system management, you have full control of your rope hoist at all times and from anywhere. Our remote monitoring system provides you with up-to-date operating data and evaluations for the DHR – as a solo component as well as in crane applications. Full transparency on utilisation, usage, risk of downtimes and service life. Simply, reliably and at a glance.

Real-time operating data: Demag Equipment App (DEA)

Do you only find out the usage and wear data for your DHR rope hoist once a year during inspection and maintenance? This is a thing of the past with the Demag Equipment App. Within the radio range of the hoist, you receive the current data in real time and visually displayed on your end device. Trained users can also adjust DHR parameters.

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