Logotipo de Machinery Tonkee
Q1: ¿Cuál es la identificación del producto y el alcance aplicable de la 7834-40-2000 motor del acelerador?
A1: El 7834-40-2000 motor del acelerador is a high-efficiency, OEM-compatible electromechanical control component exclusively engineered for Komatsu PC200-6 (20-clase de tonelada) mid-duty excavators, paired with the Komatsu SAA6D95L inline 6-cylinder diesel engine (potencia nominal: 110kilovatios @ 2000rpm).
Información principal del producto
- Número de parte: 7834-40-2000 (alternate: 7834402000), categorized as a governor throttle motor/accelerator actuator with an integrated precision position sensor.
- Aftermarket Advantage: Manufactured to exceed Komatsu OEM standards, featuring enhanced efficiency and durability for long-hour construction operations.
Alcance aplicable
The motor serves as the core engine speed control component for PC200-6, deployed in medium-load scenarios including:
- ingeniería municipal, movimiento de tierras a mediana escala, and infrastructure construction;
- Continuous operation such as foundation digging, road building, y carga de material.
It is designed for fault replacement (P.EJ., atasco del motor, falla del sensor de posición, imprecisión en la regulación de velocidad) y mantenimiento de rutina, ensuring precise throttle control to optimize the PC200-6’s fuel efficiency and power output.
Q2: ¿Cuál es el principio de funcionamiento y las funciones principales del 7834-40-2000 motor del acelerador?
A2: como el “engine speed regulator” for Komatsu PC200-6, el 7834-40-2000 motor realizes dynamic, closed-loop throttle control through coordination with the excavator’s ECM (Módulo de control del motor), delivering efficient and stable speed management:
Principio de funcionamiento
- When the operator adjusts the in-cab throttle lever, the ECM sends a 24V DC control signal to the motor.
- The motor drives a precision gear set to adjust the engine throttle opening, while the integrated position sensor feeds real-time position data (analog signal) back to the ECM.
- The ECM fine-tunes the signal to maintain the target speed (inactivo: 650rpm ~ rated: 2000rpm), completing a control cycle in ≤0.8s for responsive operation.
Funciones principales
- Precision Speed Regulation: Linear throttle adjustment with ±5rpm control accuracy, ensuring consistent engine performance across light-to-medium load changes (P.EJ., smooth switching between digging and idling).
- Load-Adaptive Efficiency: Automatically compensates for speed fluctuations caused by varying workloads (P.EJ., digging hard soil), preventing stalling and optimizing fuel consumption (saving up to 5% compared to generic motors).
- Real-Time Position Feedback: The built-in position sensor (0.1° resolution) enables the ECM to monitor motor status, Activación de códigos de diagnóstico de problemas (DTC) para anomalías (P.EJ., sensor signal loss) to simplify troubleshooting.
- Protección de emergencia: Automatically resets to idle position if power is interrupted or faults occur, preventing engine overspeeding and protecting the SAA6D95L engine and hydraulic system.
- Low-Power Operation: Standby power consumption ≤0.3W, reducing battery drain during long-term equipment standby.
Q3: ¿Cuáles son los parámetros técnicos clave del 7834-40-2000 motor del acelerador?
A3: All parameters are calibrated to Komatsu PC200-6’s SAA6D95L engine and electrical system requirements, ensuring seamless integration and efficient performance:
| Parámetro | Especificación |
|---|---|
| Voltaje de funcionamiento | CC 24 V (20–28V wide range) |
| Corriente nominal | 1.2–1.5A |
| Par de salida | ≥1,8N·m (sufficient to drive PC200-6’s throttle linkage) |
| Rango de regulación de velocidad | 650–2000 rpm (matches SAA6D95L engine specs) |
| Tiempo de respuesta | ≤0,8 s (full-stroke adjustment from idle to rated speed) |
| Precisión de detección de posición | ±0.1° |
| Clasificación de protección | IP65 (dust/water-splash proof for engine bay) |
| Rango de temperatura de funcionamiento | -40℃~+85℃ |
| Resistencia a las vibraciones | ≤18g (10–2000Hz, adapting to construction site vibration) |
| Consumo de energía | ≤25W (carga nominal); ≤0.3W (apoyar) |
| Interfaz de montaje | Brida atornillada (exact match to PC200-6’s OEM mounting holes) |
| Conector eléctrico | 4-clavija impermeable (Komatsu standard) |
| Vida útil | ≥8,000 operating hours (medium-load continuous use) |
