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Chengli Automobile Industry Park

Research and design of fast battery replacement locking system for new energy heavy trucks
Fast Battery Replacement Locking System for New Energy Heavy Trucks
Heavy trucks are going green! As more big trucks switch to electric power, a big problem needs fixing – battery charging. Truck drivers can’t wait hours to charge. The answer? Battery swapping!
Let’s look at a cool new system that lets trucks swap batteries in just 3 minutes.
Table of Contents
Why Battery Swapping Matters for Heavy Trucks
When a semi-trailer tractor truck goes electric, two big worries show up:
- Charging takes too long
- Range anxiety (fear of running out of power)
Battery swapping fixes both problems! Instead of plugging in for hours, the truck pulls into a station, drops its empty battery, and picks up a full one.
How the Locking System Works
The most important part of battery swapping is how the battery connects to the truck. The locking system must be:
- Super strong to hold a 3-ton battery
- Quick to open and close
- Always safe
Let’s see what makes this new system special!
Key Parts of the System
Part | What It Does |
---|---|
Hydraulic Pump | Pushes oil to move the locks |
Electric Motor | Powers the pump |
Control System | Makes everything work together |
Locking Points | Hold the battery in place (4 or 6 points) |
Revolutionizing Heavy Truck Battery Swapping
This infographic showcases the advantages of a new hydraulic-powered battery swapping system for electric heavy trucks.
Key System Advantages
- Fast Swapping: Replace batteries in under 3 minutes.
- Extreme Temperature Operation: Functions reliably from -40°C to 80°C.
- Robust and Durable: Withstands over 100 million cycles.
- Enhanced Safety: Centralized control ensures secure locking, even with vibrations.
Smart Design Beats Old Problems
Old battery swap systems used air pressure (pneumatic systems) that had many problems:
- Air pressure sometimes wasn’t strong enough
- Slow response time
- Didn’t work well in cold weather
- Locks might not close fully
The new system uses hydraulic power instead, which is much better!
Comparison: New vs. Old Systems
Problem | Old Air System | New Hydraulic System |
---|---|---|
Response Time | Slow | Fast (≤15s lock, ≤10s unlock) |
Cold Weather | Often fails | Works at -40°C |
Locking Strength | Weak | Very strong (35 MPa) |
Reliability | Needs frequent fixes | Lasts for 100+ million cycles |
Cool Technical Features
The best parts of this new locking system are:
1. Centralized Control
One control unit runs multiple locking points at once. If one point gets hit or shaken, all points work together to stay locked.
2. Special Seals for Tough Conditions
The system uses composite seals made of special materials (PU, PTFE, NBR) that work in very hot or cold weather (-40°C to 80°C).
3. High-Precision Pump
The heart of the system is a special pump with:
- 5 plungers in a circle
- Flow rate of 700±50 mL/min
- Can pump oil 25,000 times per minute!
4. Emergency Backup
If the truck loses power or the computer system fails, drivers can still use a manual override to swap batteries.
Real-World Benefits
This advanced locking system helps electric cargo trucks in many ways:
- Swap batteries in 3 minutes – almost as fast as filling with gas
- Work in any weather – from desert heat to Arctic cold
- Last longer – designed for 10+ years of regular use
- Never leave drivers stranded – manual backup always works
How Battery Swapping Helps the Environment
When heavy-duty construction vehicles go electric with fast battery swapping:
- Less time wasted at charging stations
- Batteries charge at central stations using clean energy
- Battery life extends by 20%
- Helps meet China’s “Dual Carbon” goals
The Future of Electric Trucking
As more urban sanitation trucks and other work vehicles go electric, battery swapping will become even more important.
Quick Facts:
- Each truck battery pack weighs about 3 tons
- Typical battery capacity: 420 kWh
- Complete swap time: under 3 minutes
- System works in temperatures from -40°C to 80°C
Conclusion
The fast battery replacement locking system is a game-changer for electric trucks. It makes electric trucks practical for everyday work by solving the biggest problems – charging time and range anxiety.
With strong locks that work fast and never fail, truck drivers can swap batteries quickly and get back on the road!