In many industrial facilities — from remote maintenance yards and small assembly shops to explosion-proof chemical plants — reliable lifting equipment is needed but stable power supply is not always available. Standard electric overhead cranes require full electrical infrastructure, which can be impractical or prohibitively expensive for light-duty, intermittent lifting applications.
A manual single-girder bridge crane from Henan Mine Crane is purpose-built to solve this problem. Driven entirely by hand chain with zero electricity consumption, this hand operated single girder overhead crane delivers dependable lifting performance at the lowest possible investment and operating cost.
As a leading manual overhead travelling crane manufacturer based in Changyuan, Henan — China's crane industry heartland — Henan Mine supplies SDQ series manual single girder cranes to over 60 countries worldwide. Our cranes are trusted for equipment maintenance, warehouse handling, small production lines, and hazardous area lifting where electric equipment cannot be safely used.
What Is a Manual Single-girder Bridge Crane?
A manual single-girder bridge crane (also called hand operated overhead crane or SDQ manual bridge crane) is a rail-mounted light-duty lifting machine that runs entirely on mechanical hand-chain drive — no motors, no control panels, no power cables required.
The operator pulls hanging hand chains to control three motions:
- Bridge travel — the whole crane moves left/right along the runway rails
- Trolley travel — the hoist unit moves forward/backward along the main girder
- Load lifting — the hook raises/lowers the load via chain hoist mechanism
Manufactured to JB/T 10381 Chinese national standard and available with CE certification, Henan Mine manual bridge cranes cover capacities from 1 ton to 10 tons, standard spans from 5m to 14m, and lifting heights from 3m to 10m. Working class is rated ISO A1–A3, ideal for intermittent, light-to-medium duty cycles.
Core Components of Henan Mine Manual Single-girder Bridge Crane
1. Main Welded Girder
Fabricated from Q235B carbon steel I-beam and channel steel in an integrated welded structure. High torsional rigidity, excellent anti-deformation performance, and long fatigue life — engineered for over 15 years of reliable service under normal operating conditions.
2. End Carriage Travel Mechanism
Each end carriage is fitted with forged steel travelling wheels with built-in anti-derailment safety lips. The hand-chain sprocket drive system is engineered for low pulling resistance, allowing a single operator to move the full crane smoothly along standard P-series or QU-series runway rails.
3. Manual Trolley & Hand Chain Hoist
Paired with SDS / SH-series manual chain hoist featuring a reliable mechanical load brake and safety factor of no less than 4:1. The precision-machined gearing ensures smooth lifting and positive load holding, even under full rated capacity.
4. Complete Safety Protection
Every Henan Mine manual crane comes standard with:
- Upper and lower lifting limit stops to prevent over-travel
- Rubber buffer blocks at both ends of the runway
- Safety latch on the load hook to prevent accidental load release
- Anti-derailment guards on all travel wheels
Key Advantages of Henan Mine Manual Overhead Crane
1. Zero Electricity — Works Anywhere
No power cables, motors, or electrical cabinets are needed. This makes the crane the perfect solution for off-grid workshops, temporary construction sites, remote maintenance facilities, and explosive / flammable environments where electric lifting equipment is strictly prohibited.
2. Lowest Total Cost of Ownership
Compared with an equivalent electric single girder crane, a manual bridge crane reduces initial capital investment by approximately 40%. There are zero electricity costs and minimal maintenance expenses — only periodic lubrication of chains and wheel bearings is required.
3. Fast, Simple Installation
Lightweight overall construction and modular design mean fast assembly. The crane mounts directly onto standard factory runway beams with no special civil foundation work required. Henan Mine provides full installation drawings and step-by-step guidance for every order.
4. Built for Durability
All load-bearing components use wear-resistant alloy steel with anti-rust primer and finish paint treatment. The fully mechanical design means fewer failure points and longer service intervals. Replacement spare parts are low-cost and universally available.
5. Fully Customizable from the Factory
Henan Mine engineers customize every crane to your exact requirements: lifting capacity, span length, lifting height, track gauge, and even special corrosion-resistant or explosion-proof configurations for harsh industrial environments.
Typical Applications & Industries
Equipment Maintenance Workshops
Ideal for machinery repair shops, mold workshops, and engine overhaul bays where lifting is needed intermittently and running power lines would be impractical.
Small Assembly & Manufacturing Plants
Perfect for light component handling, auxiliary assembly line operations, and workstations with infrequent lifting requirements.
Warehouses & Storage Yards
Cost-effective solution for cargo stacking, pallet handling, and loading/unloading in smaller warehouses and rural storage facilities without full electrical infrastructure.
Explosion-Proof & Chemical Facilities
The all-mechanical, spark-free design is safe for use in chemical plants, paint shops, gas stations, and other Class hazardous areas where electric equipment poses ignition risk.
Construction & Temporary Sites
Widely used for equipment installation during new factory construction, before permanent power supply is commissioned, and on temporary project sites.
Technical Specifications
Below are standard parameters for Henan Mine SDQ series manual single-girder bridge cranes. All dimensions and capacities are fully customizable.
| Parameter | Standard Range |
|---|---|
| Rated Lifting Capacity | 1 Ton – 10 Ton |
| Crane Span | 5 m – 14 m (longer spans on request) |
| Lifting Height | 3 m – 10 m (custom heights available) |
| Working Duty Class | ISO A1 – A3 (light intermittent duty) |
| Drive Method | Hand chain manual drive (zero electricity) |
| Main Girder Material | Q235B Carbon Steel |
| Certifications | CE, ISO 9001, Factory Inspection Certificate |
| Operating Temperature | -25°C ~ +40°C |
| Control Method | Pull chain hand operation (ground control) |
Why Choose Henan Mine as Your Manual Crane Supplier?
Headquartered in Changyuan, Henan — China's largest crane manufacturing base — Henan Mine Crane Co., Ltd. brings over 20 years of professional overhead crane design, production and export experience to every project.
When you partner with Henan Mine, you get:
- Factory-direct pricing with no middleman markup — the best value in the industry
- In-house R&D and full production lines with strict QC inspection before every shipment
- Complete international certifications (CE, ISO) compliant for EU, Middle East, Southeast Asia, Africa, and Latin America markets
- Free technical support: layout drawings, parameter matching, and installation guidance
- Global after-sales service with lifelong spare parts supply at factory cost
- Fast lead times: 7–10 days for standard models, 12–18 days for custom configurations
FAQ — Frequently Asked Questions
Q1: What is the maximum capacity of a Henan Mine manual single-girder bridge crane? Can you make one over 10 tons?
Our standard SDQ manual single girder crane is designed for 1 ton up to 10 tons. Above 10 tons, the hand-chain pulling force required becomes too great for safe manual operation, so we do not recommend manual drive for heavier loads. For capacities over 10 tons, our engineering team will recommend a cost-effective light-duty electric single girder crane as an alternative — we will help you select the most suitable model based on your actual usage requirements.
Q2: Can a manual overhead crane be used in damp, humid, or corrosive workshop environments?
Yes, with appropriate upgrades. For humid, acidic, or mildly corrosive environments, Henan Mine can equip the crane with enhanced anti-corrosion paint treatment, galvanized or stainless steel load chains, and sealed bearing wheels to significantly extend service life. However, manual cranes are not recommended for prolonged underwater operation or strong alkali environments. For extreme conditions, our team will propose a specialized anti-corrosion or explosion-proof model matched to your exact site conditions.
Q3: Do you provide installation support and spare parts after the crane is delivered?
Absolutely. Every Henan Mine manual crane ships with a detailed English installation manual, assembly drawings, and step-by-step operation video. Our international technical team provides remote online guidance for installation, commissioning, and operator training. All wearing parts — hand chains, travel wheels, brake pads, hooks, and bearings — are kept in stock and available for lifelong supply at factory cost prices, ensuring minimal downtime for your operations.
Conclusion
The Henan Mine manual single-girder bridge crane is the most reliable and cost-effective light-duty lifting solution for workshops, warehouses, and job sites without stable electrical power. With its all-mechanical design, zero operating energy cost, simple installation, and factory-backed durability, it solves everyday material handling challenges without the high investment of electric crane systems.
Whether you need a standard 5-ton manual crane or a fully customized configuration for a special environment, the Henan Mine team is ready to deliver the right solution at the right price. Contact our sales engineers today for a free technical evaluation and factory quotation.