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NR Electric Hoist
NR Electric Hoist
NR Electric Hoist
NR Electric Hoist
NR Electric Hoist
NR Electric Hoist
NR Electric Hoist
NR Electric Hoist

NR Electric Hoist

Rated Capacity of NR Electric Hoist: 3 ton, 5 ton, 10 ton, 16 ton, 20 ton, 32 ton, 50 ton, 80 ton

 

NR Electric Hoist Types/Models:

1. NRL (Low-Headroom Monorail Hoist)

2. NRS (Standard-Headroom Monorail Hoist)

3. NRT (Double-Rail Trolley or Crab)

4. NRF (Foot-Mounted Hoist)

Description
Specification
Features
Application
Description

Rated Capacity / SWL: 3 ton, 5 ton, 10 ton, 16 ton, 20 ton, 32 ton, 50 ton, 80 ton

 

20t-double-rail-crab-hoist-on-EOT-crane

 

NR Electric Hoist Types/Models:

1. NRL (Low-Headroom Monorail Hoist)

2. NRS (Standard-Headroom Monorail Hoist)

3. NRT (Double-Rail Trolley or Crab)

4. NRF (Foot-Mounted Hoist)

 

low-headroom-monorail-hoist

Model NRL (Low-Headroom Monorail Hoist) Capacity: 3 ton, 5 ton, 10t

 

standard-headroom-monorail-hoist

Model NRS (Standard-Headroom Monorail Hoist) Capacity: 3 ~ 80 ton

 

double-rail-crab-trolley

Model NRT (Double-Rail Trolley or Crab)

 

foot-mounted-hoist

Model NRF (Foot-Mounted Hoist)

 

Motor:

  • NMD Double Speed Motor
  • NMF Frequency Conversion Motor
  • Lifting motor power: 3.2 Kw, 4.9 Kw, 9.8 Kw, 16 Kw, 18.5 Kw
  • Traveling motor power: 0.44 Kw, 0.64 Kw, 0.96 Kw, 1.3 Kw, 1.9 Kw

 

3t-monorail-hoist

 

Reducer:

  • NGL Lifting Reducer
  • NGT Traveling Reducer
  • Lifting Reducer: NGL01, NGL02, NGL03, NGL04
  • Traveling Reducer: NGL02, NGL03, NGL04, NGL05

 

5t-monorail-hoist

 

 Main parameters:

  • Standard: FEM
  • Working Duty: M5 ~ M7
  • Lifting Speed:

     3t, 5t, 10t: 5/0.8 m/min (4/1);

     16t: 3.3/0.5 m/min (6/1); 5/0.8 m/min (4/1);

     20t: 4/0.67 m/min (4/1); 5/0.8 m/min (4/1);

     32t: 3/0.5 m/min (6/1); 0.8~5 m/min (8/2);

     50t: 0.5~3.3 m/min (12/2);

     80t: 0.4~2.5 m/min (16/2);

  • Traveling Speed: 2.0 ~ 20m/min
  • Lifting Height: 6m ~ 24m

 

nr-electric-hoist-parameters

 

NR Electric Hoist Features:

1. Without reverse rollers/wheels;

2. Bilateral drive, the reducer directly drives the wheels;

3. The hoisting mechanism is more convenient and quick to connect, also available for the trolley structure;

4. Capacity 3t, 5t hoist lifting mechanism is with fully closed structure, the other capacity hoist is with open gear drive;

5. Dual drive for capacity 32t~80t variable frequency hoisting mechanism;

6. Capacity 3t~16t lifting mechanism is with C-type structure, while capacity 20t~80t lifting mechanism is with Z-shaped structure.

 

10t-monorail-hoist

 

NR-Hoist-Overhead-Crane

 

nr-hoist-on-show

 

Lifting Gear Motor Features:

1. Lifting motor is a gear motor, the front cover of the motor is connected with the reducer, and motor shaft head drives the gears;

2. The motor case is stretched aluminum (6063), and the reducer case cover is cast aluminum alloy (ADC12);

3. Motor performance: S3-40%, Class F IP54, 2/12 pole dual speed, 4 pole frequency conversion;

4. Reducer: Hard tooth surface, 20CrMnTiH;

5. Brake: Electromagnetic disc brake.

 

gear-motor-for-lifting

Lifting Gear Motor

 

Traveling Gear Motor Features:

1. Coaxial structure;

2. Traveling motor is a gear motor, the front cover of the motor is connected with the reducer, and motor shaft head drives the gears;

3. The reducer is an output spline shaft structure with flanged connection;

4. The motor case is made from stretched aluminum (6063), reducer case covers are made from cast aluminum alloy (ADC12) or cast iron (HT250);

5. Trolley and hoist share the same running;

6. Motor performance: S3-40%, Class F IP54, 4 pole frequency conversion;

7. Reducer: Hard tooth surface, 20CrMnTiH;

8. Brake: Electromagnetic disc brake.

 

gear-motor-for-traveling

Traveling Gear Motor

 

Components Features:

1. Reel/Drum: Finished steel pipe (with ring gear for 10t above capacity hoists);

2. Wire Rope: 1960~2160 grade wire rope;

3. Hook Block: New hook set with beautiful appearance;

4. Fixed Pulley: MC nylon pulley, pulley shaft is overload sensor;

5. Rope Guide: Nylon rope guide;

6. Rope wedge: Standard wedge;

7. Wheel Group: Internal spline structure (without the torque support of the reducer), ductile iron.

 

monorail-electric-hoists

 

new-design-wire-rope-hoist

 

Structure Features:

1. The hoist frame consists of plates and rods;

2. Assembly after painting, high-strength bolt connection;

3. Flange plate bending structure on both sides of the reel;

4. Small structure rotation limit, flange connection;

5. Lifting and hoist frame with pin connection.

 

low-headroom-monorail-hoist-Exploded-view

Low-Headroom Monorail Hoist Exploded View

 

6. Lifting structures is the same with the trolley type;

7. Use a large number of rectangular tube structures;

8. The driving wheel is with an internal spline structure, and the driven wheel is similar to a monorail wheel structure.

 

double-rail-crab-Exploded-view

Double-rail Crab Exploded View

 

NR-hoist-trolley-installation

Double Gider Hoist Installation

 

electric-box

Electric Box with Danger and Warning Signs

 

NR Electric Hoist Advantages:

1. Modular and universal:

6 kinds of punching and base

10 motor power

4 lifting gear reducers

4 kinds of running reducers

7 wheel sets

2. Core components are produced independently, with controllable core technologies:

Guaranteed Quality

Guaranteed Delivery

Non-standard design

 

gear-motor-production-line

Gear Motor Production Line

 

3. Full range of NR electric hoist adopts large diameter reels with less left and right limit;

4. A new safety monitoring system with functions of overload protection, Information statistics and inquiry, fault inquiry, collaborative work of 2 hoists, etc.

5. Internet of Things (IOT) cloud connection: Through the security monitor and the (tree root) IoT module communication, the cloud platform storage and remote monitoring of the NR hoist data is realized.

 

NR-electric-hoist

 

NR-HOIST-REEL-DIAMETER

Reel/Drum Diameter

 

Safety-monitoring-system

Safety Monitoring System

 

root-box

Tree Root IOT Box

Specification

 

 

Features
Brand Reputation
Weihua Cranes ranks among the top sellers in China's crane industry, boasting high brand awareness and market share. Its products are widely used in numerous national key projects and industry giants in aerospace, automobile manufacturing, steel metallurgy, ports and terminals, rail transportation, and energy and power. The company has accumulated a wealth of successful cases and obtained special equipment manufacturing Class A license, ISO series management system certification, EU CE certification, etc., qualifying it for global market access.
Full Service
Weihua provides a one-stop service, encompassing consultation and planning, solution design, installation and commissioning, personnel training, maintenance, parts supply, and technical upgrades. With hundreds of service outlets worldwide, it offers rapid response times and provides localized, timely technical support and repair services.
Excellent Product Quality
Weihua Crane employs automated production lines and precision machining equipment, resulting in a high level of manufacturing technology. Key components are primarily sourced from well-known domestic and international brands or high-end domestic brands, ensuring high reliability. Quality design is integrated throughout the entire process of design, procurement, production, and testing, guaranteeing a high product qualification rate.
High Safety
Weihua Lifting strictly adheres to and often exceeds advanced international standards such as Chinese national standards (GB) and European Union standards (FEM) in its design. Key structures (such as main beams, end beams, wire ropes, and hooks) adopt high-standard safety factors with sufficient margins to eliminate safety risks caused by design defects at the source. The core components of the lifting mechanism (such as brakes, motors, and reducers) mostly use international first-tier brands (such as SEW, Siemens, ABB, etc.) or high-end domestic brands to ensure precise operation and reliable braking. 
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