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Home > Products > Electric Hoist > Wire Rope Hoist > Double Rail Trolley Crab

Double Rail Trolley Crab

Payment Type:
Min. Order:
1 Set/Sets
Delivery Time:
15 Days
  • Product Description
Product Attributes

Model No.NRT


ApplicationDouble Beam Crane

TypeElectric Hoist

Lift Speed2~8m/min

Maximum Lifting Height>20m

Chain FallsOther




Sling TypeCable

Supply Ability & Additional Informations

PackagingWoden Case

Productivity1000 Sets


Place of OriginChina

Supply Ability500 sets per month

CertificateISO 9001 ISO 14001 OHSAS 18001 GB/T 19001-2008/ISO 9001: 2008

HS Code8425110000


Payment TypeL/C,T/T,D/P


Delivery Time15 Days

Packaging & Delivery
Selling Units:
Package Type:
Woden Case

Lift Capacity: 3 ton, 5 ton, 10 ton, 16 ton, 20 ton, 32 ton, 50 ton, 80 ton

Model: NRT (Double-Rail Trolley Crab)

Standard: FEM

Working Duty: M5 ~ M7

Traveling Speed: 2.0 ~ 20m/min

Lifting Height: 6m ~ 24m

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);

Weihua is a China leading crane manufacturer, providing all kinds of crane and Electric Hoist such as Wire Rope Hoist, Chain Hoist, Winch Hoist, trolley crab, Explosion Proof Hoist, Metallurgy Industry Hoist, etc.

Double Rail Crab Trolley


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


NGL Lifting Reducer

NGT Traveling Reducer

Lifting Reducer: NGL01, NGL02, NGL03, NGL04

Traveling Reducer: NGL02, NGL03, NGL04, NGL05

Double Rail Crab Exploded View

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.

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

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

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.

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.

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.

Electric Box

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

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.

Gear Motor Production Line

Hoist Motor Production Line

Europe Hoist Trolley Installation

Weihua Products

Weihua Workshop 2

Weihua People

Customer Visit 5

Expo 1

Electric Hoist Wooden Case Packing

Wooden Case Packing Shipping

Ce Bv

Sgs Iso9001


E--mail: weihua(at)craneweihua(dot)com

Looking for ideal Double Rail Trolley Manufacturer & supplier ? We have a wide selection at great prices to help you get creative. All the Double Rail Crab are quality guaranteed. We are China Origin Factory of Electric Hoisting Crab. If you have any question, please feel free to contact us.

Product Categories : Electric Hoist > Wire Rope Hoist

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