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Electric/Utility Tricycle Assembly Line

The tricycle automated assembly production line is an intelligent manufacturing system specifically designed for freight tricycles, electric tricycles, and other models. It integrates core processes such as frame welding, power train integration, and cargo box assembly. Here is a technical analysis of the production line: Production line type selection

• U-shaped line: suitable for small and medium-sized freight three-wheelers (payload ≤ 1 ton), cycle time 3-5 minutes per unit

• Straight line + AGV: used for heavy-duty agricultural three-wheelers (payload ≥ 2 tons), cycle time 8-12 minutes per unit

• Modular design: compatible with quick switching between fuel and electric models (changeover time ≤ 30 minutes)

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    Core workstation technology solution

    Tricycle Production Line (6)

    1. Chassis welding station

    • Robot welding unit:

    ◦ Dual robot collaborative welding (load capacity 25 kg, repeat positioning ±0.08 mm)

    ◦ Laser vision compensation for thermal deformation (maximum compensation ±1.2 mm)

    2. Rear axle assembly workstation

    • Differential press fitting:

    ◦ Servo press (pressure 80±2kN) combined with thermal pressing process (heated to 150℃)

    • Brake installation:

    ◦ Automatic brake fluid filling (fluid volume ±2ml)

    ◦ Pneumatic tool tightening (torque 120N·m±3%)

    3. Cargo box forming workstation

    • Intelligent bending unit:

    ◦ CNC bending machine (bending length 3m, angle error ≤0.5°)

    ◦ Automatic die changing system (die switching ≤3 minutes)

    • Riveting robot:

    ◦ Vision-guided rivet positioning (spacing error ±0.3mm)

    4. Electrical system workstation

    • Wire harness automation:

    ◦ 3D wiring station + robotic arm (bending radius ≥ 4 times the wire diameter)

    Typical model production line differences

    Vehicle model types

     production line characteristics

    special process requirements

    cargo tricycle

    Heavy-duty cargo box reinforced welding

    Weld seam tensile strength

    ≥ 350 MPa

    electric tricycle

    battery pack quick swap mechanism

    Connector anti-misinsertion design (≤5N insertion force)

    agricultural three-wheeler

    Hydraulic lifting device installation

    The test pressure for the hydraulic cylinder is 12 MPa ± 5%

    Key Equipment and Tools

    4
    1. Conveying System: Track plate chain line, belt conveyor or friction wheel conveyor.

    2. Assembly Tools:

    a. Pneumatic tools: Pneumatic wrench, air gun (used for tightening large torque bolts such as those on wheels and suspension systems).

    b. Electric tools: Electric torque wrench (used for applying the specified torque during the tightening of key components).

    c. Manual tools: Various wrenches, screwdrivers, pliers, etc.

    3. Detection Equipment:

    a. Electrical Testing Station: Used for quickly checking whether the functions of the controller, motor, and instrument are normal.

    b. Braking performance tester (used by some large manufacturers).

    c. Wheel dynamic balancing machine (for high-speed electric tricycles).

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