HHBB Electric Chain Hoist with Trolley

Electric Chain Hoist with Trolley Overview

The HHBB Electric Chain Hoist with Trolley is an integrated 4-direction material handling engine designed for dynamic transfer along I-beams, H-beams, and single-girder overhead crane rails. Unlike fixed hook-suspended units that only handle vertical lifting, this system combines a high-torque chain hoist mechanism with a motorized travel trolley. It enables seamless motorized lifting and horizontal cross-bay travel for heavy industrial loads ranging from 0.5 Ton to 7.5 Ton.

As a specialized electric chain hoist manufacturer and exporter, we engineer this system specifically for manufacturing bays, steel structure plants, and logistics hubs where manual load pushing is unsafe, inefficient, or physically impractical.

Key Advantages

• Dual-Motor Independent Drive System: Equipped with dedicated pure copper motors for both vertical hoisting and horizontal travel. The trolley drive features soft-start capabilities to eliminate load swaying during rail acceleration.

• Universal Adjustable Flange Fit: The electric trolley features precision spacer washers, allowing easy field adjustment to fit standard I-beam and H-beam flange widths (from 68mm up to 180mm+).

• Precision Guide Rollers & Drop Stops: Built-in anti-drop lugs and heavy-duty steel side guide wheels ensure the trolley stays securely aligned on monorail tracks even under off-center dynamic loads.

• 4-Direction Dual-Speed Control: Supports 8-button pendant switches or radio remotes with optional Variable Frequency Drives (VFD) for micro-positioning on high-speed assembly lines.

Product Specification

Model	Capacity (ton)	Lifting Speed (m/min)	Motor Power (kW)	Rotating Speed (r/min)	Power Supply	Spec Load Chain (mm)
HHBB0.5-01	0.5T (Single chain)	7.2	1.1	1440	3-phase 380V 50HZ	6.3
HHBB01-01	1T (Single chain)	6.8	1.5	1440	3-phase 380V 50HZ	7.1
HHBB01-02	1T (Twin chain)	3.6	1.1	1440	3-phase 380V 50HZ	6.3
HHBB02-01	2T (Single chain)	6.6	3	1440	3-phase 380V 50HZ	10
HHBB02-02	2T (Twin chain)	3.4	1.5	1440	3-phase 380V 50HZ	7.1
HHBB03-01	3T (Single chain)	5.6	3	1440	3-phase 380V 50HZ	11.2
HHBB03-02	3T (Twin chain)	4.4	3	1440	3-phase 380V 50HZ	10
HHBB05-02	5T (Twin chain)	2.8	3	1440	3-phase 380V 50HZ	11.2
HHBB7.5-03	7.5T (Triple chain)	1.8	3	1440	3-phase 380V 50HZ	11.2

Integrated Safety Protection for Rail Operation

Moving heavy loads along an elevated track presents unique safety challenges. The HHBB Trolley Series addresses this with a complete protection suite:

1. Dual Electromagnetic Brakes: Both the hoist brake and the trolley motor brake are fail-safe. If power fails mid-travel, mechanical brakes lock both the load height and horizontal position simultaneously.

2. Cross-Travel Limit Switches: Heavy-duty limit switches instantly cut power to the trolley motor when approaching rail stops, preventing rail end collisions.

3. Anti-Drop & Anti-Collision Lugs: Heavy steel lugs on the trolley frame prevent the unit from dropping off the beam flange in the event of wheel or axle failure.

4. Thermal Motor Protection: Built-in temperature sensors automatically protect both hoisting and travel motors against continuous duty overheating.

Workstation Applications & Monorail Setup

This HHBB Electric Chain Hoist with Trolley is specifically built to serve as the core drive module for:

• Overhead Crane Monorails: Mounting on I-beam or H-beam track loops for continuous factory line transport.

• Single Girder Overhead & Gantry Cranes: Functions as the primary cross-travel crab mechanism integrated into a heavy duty electric hoist crane girder setup.

• Automotive Bay Workstations: Precision positioning of engines, chassis, and heavy stamping dies along assembly bays.

• Logistics & High-Bay Warehouses: Rapid horizontal transfers between loading docks and racking aisles.

Products Details

The powerful pure copper motor can operate continuously without burning out.

Aerospace-grade aluminum casing for rapid heat dissipation

Manganese steel hooks do not break or deform

G80 chain, strong tension is not easy to break, quenching heat treatment, small wear, corrosion resistance

Internal Structure

• High-Heat-Dissipation Aluminum Frame: Precision aluminum motor housing speeds up cooling, doubling continuous duty time without thermal breakdown.
• Dual Safety Limit Protection: Precision limit switches stop vertical motion instantly at travel ends, protecting internal gears and load chain.
• Wear-Resistant Alloy Steel Chain: Hardened manganese steel chain withstands extreme dynamic tension and heavy job-site friction.
• Anti-Tangling Chain Storage Bag: Custom fitted canvas collector prevents chain twists, protecting the load and keeping lifting paths clear.
• IP65 Sealed Waterproof Remote Control: Impact-resistant and weather-sealed pendant switch guarantees safe, precise one-handed operation in humid environments.
• Anti-Fracture Drop-Forged Hook: Drop-forged manganese steel hook absorbs severe impact loads without cracking, eliminating load chain twisting.

Customized Trolley Engineering & OEM Services

To meet international project specifications, we provide custom engineering support for bulk B2B purchases:

• Curved Monorail Compatibility: Custom trolley wheel profiles engineered for curved I-beam rail radius navigation.

• Extended Flange Shafts: Tailored axle lengths for non-standard wide-flange structural steel beams (H-Beams/Universal Beams).

• Dual-Speed VFD System: Smooth speed ramping to prevent dangerous sway of liquid tanks, glass panels, or fragile precision molds.

• Power Supply Customization: 220V, 380V, 415V, 440V, 480V, 575V 3-phase options at 50Hz or 60Hz.

Why Choose Our Motorized Trolley Hoists?

• Dynamic Rail Testing: Every unit undergoes combined full-capacity vertical lifting and dynamic horizontal travel tests on calibrated test rails prior to packaging.

• Hardened Alloy Wheels: Heat-treated forged steel wheels ensure smooth rolling resistance, zero flange gouging, and low rail wear.

• Global OEM Partner: Supplying crane builders, industrial distributors, and engineering contractors worldwide with CE/ISO9001 certified equipment.

Frequently Asked Questions

Q1: Can the electric trolley be adjusted to fit our existing factory I-beam width?

A: Yes. The trolley is shipped with adjustable spacer rings on the main shafts. You can easily add or remove washers during installation to match your exact I-beam or H-beam flange width.

Q2: What is the benefit of a dual-speed trolley over a single-speed trolley?

A: A dual-speed trolley allows high-speed long-distance travel across workshop bays and low-speed micro-jogging when lowering the load precisely onto machines or jigs, preventing sway and damage.

Q3: Can this motorized trolley hoist operate on a curved I-beam track?

A: Yes, but curved tracks require a specific minimum turning radius depending on the hoist tonnage (e.g., 1.5m to 2.5m minimum curve radius). Please inform us of your track layout when requesting a quote.