- Ciudad de ChangChun, Provincia de Jilin, Porcelana
por 
Bienvenidos a este análisis crítico de seguridad del Cinturón de seguridad asamblea (Asamblea 697). este es el completo, 3-punto “Exterior” (lado del conductor) seat belt system for the FAW Jiefang CA4251P66K24T1A3E5 6×4 tractor. This is the single most important “lógica” assembly for driver safety, and it is a sophisticated, multi-part system that combines mechanical “G-force” sensores, webbing-sensitive locks, and pyrotechnic pre-tensioners.
El “lógica” del Cinturón de seguridad (P/N 8212010-A86-C00) is to provide “pasivo” seguridad, “activo” restraint, y “all-day” comodidad. It is designed to be comfortable and unrestrictive during normal driving, but to instantly and immovably lock the driver in place during a collision or rollover, working in perfect synchronization with the cab’s airbag system.
This in-depth guide is essential for fleet safety managers, collision specialists, and technicians. Deconstruiremos todo Cinturón de seguridad assembly into its core logical and serviceable units. Analizaremos el “dual-lock” logic of the main ‘Retractor’, el “pyrotechnic” logic of the pre-tensioner, el “absorbente de energía” logic of the webbing, y el critico, single-use fasteners that anchor this life-saving system to the cab’s frame.
The ‘Outer seat belt assy’ (8212010-A86-C00) es el componente principal. Este es el principal “caja negra” del Cinturón de seguridad sistema. es un sellado, non-repairable serviceable unit that contains the webbing, the spool, and the two critical “cierre” mechanisms.
1. El “Vehicle-Sensitive” Lógica (The Pendulum):
Este es el principal “crash lock.” Inside the retractor is a “G-force sensor,” which is a “lógica” system consisting of a weighted pendulum or a ball in a ramp.
Cómo funciona: During normal driving, this pendulum is held in place by gravity. In a sudden deceleration (un accidente, a rollover, or even a severe braking event), the truck’s “inercia” (G-force) causes this pendulum to swing. Este “swinging logic” actuates a small lever, which in turn releases a “pawl” (un dentado “atrapar”). This pawl instantly “apretura” into a toothed gear on the webbing spool, bloqueando el Cinturón de seguridad sólido. Este es el “vehicle-sensitive” cerrar.
2. El “Webbing-Sensitive” Lógica (The Clutch):
Este es el “lógica” that locks the belt when *you* pull it too fast. This system works completely independently of the pendulum.
Cómo funciona: The webbing spool (the part the belt winds onto) has a built-in centrifugal clutch. During a slow, normal “jalar” del Cinturón de seguridad, the spool spins slowly and the clutch is disengaged.
Sin embargo, if the driver “yanks” the belt quickly (simulating the body being thrown forward), the spool spins *so fast* that centrifugal force throws small weights or “fly-arms” outward. Este “lógica” of the fly-arms causes them to engage a second locking mechanism, which also jams the spool. Este “webbing-sensitive” lock is what holds the driver during the “pre-crash” phase, before the main G-force lock engages.
Este es el “activo” safety logic of the Cinturón de seguridad, and it is the most critical serviceable part. The ‘Outer seat belt assy’ (8212010-A86-C00) es un “pyrotechnic” dispositivo, meaning it contains a small explosive charge.
El “Lógica” de “Pre-Tensioning”:
The two mechanical locks (pendulum and clutch) son “pasivo”—they only work *after* a high-G or high-speed event has begun. The pre-tensioner is “active.”
In a crash, the truck’s “Airbag Control Unit” (ACU) detects the impact *in milliseconds*. *Before* the driver has even moved, the ACU sends an electric signal to the Cinturón de seguridad retractor.
This signal ignites a “gas generator” (a small, controlled explosive). This explosion drives a piston that, en una fracción de segundo, *violently spins the retractor spool backwards*. Este “lógica” instantly and forcefully *pulls* the driver back, “pinning” them deep into their seat, removing all “flojo” from the belt.
Este “pre-tensioning” is what positions the driver perfectly for both the airbag and the “mecánico” cerrar. es el “lógica” that ensures the driver makes contact with the airbag at the correct time and angle.
Utilidad (One-Time-Use):
This pyrotechnic charge is **strictly a one-time-use component**. After *any* collision that “fires” this pre-tensioner, todo el Cinturón de seguridad asamblea (8212010-A86-C00) es “spent” and *must* be replaced. It is a critical, non-negotiable service procedure.
Esta parte del Cinturón de seguridad es el “interfaz” between the driver and the locking mechanisms.
The Webbing “Lógica”: El “correa” itself is a high-tech serviceable part. It is not simple cloth; es un “controlled-elongation” webbing, woven from high-tensile polyester fibers.
Es “lógica” es actuar como un “shock absorber.” In a crash, after the pre-tensioner fires, the webbing is designed to *stretch* slightly (a “controlled elongation”). Este “stretch logic” es critico. It *decelerates* the driver’s torso over a few, crucial extra milliseconds. Este “softens” the impact and reduces the peak G-force on the driver’s ribs and internal organs, preventing catastrophic internal injuries.
Utilidad: Este “lógica” is why any Cinturón de seguridad with *any* visible damage (a cut, a fray, sun-fading/UV damage, or chemical stains) *must* be replaced. A damaged belt has lost its “stretch logic” and will fail in a crash.
The Latch Plate: This is the metal “tongue” that clicks into the buckle. (The buckle itself is part of the ‘Front Seat Assembly’ 696). Este es un sencillo, robust MSU, designed to withstand thousands of pounds of tensile force.
Este último grupo de componentes es el “lógica de instalación” para el Cinturón de seguridad.
Componente 2: ‘Right side fixed cover-seat belt’ (8212058-A01): Este es un “cosmético” y “protector” componente. Es “lógica” es proporcionar una limpieza, “grado automotriz” finalizar, hiding the B-pillar’s upper “D-Loop” anchor bolt. It also acts as a “UV Shield,” protecting the webbing and anchor from sunlight, y un “comodidad” lógica, preventing the driver from snagging clothes on the bolt head.
El sujetador “Lógica” (Implícito): The most critical serviceable parts are the (no estante en la lista) high-tensile bolts. A 3-point Cinturón de seguridad has three “ancla” logic points:
These are **Class 10.9 (o superior), “par a rendimiento”** perno. Su “lógica” is that they are *designed to stretch* once (like the webbing) to absorb impact. This makes them **strictly single-use**. Cualquier Cinturón de seguridad fastener that is removed *for any reason* (even just for inspection) *must* be discarded and replaced with a new, OEM-specified bolt. Re-using them is a critical safety failure.
La siguiente tabla proporciona la información completa, detailed breakdown of all component types identified in the Cinturón de seguridad asamblea (697) para el tractor FAW CA4251P66K24T1A3E5.
| Marca | Número de pieza. | Nombre de la pieza | Cantidad |
|---|---|---|---|
| 1 | 8212010-A86-C00 | Outer seat belt assy | 1 |
| 2 | 8212058-A01 | Right side fixed cover-seat belt (see 8212057-A01) | 1 |
Las especificaciones para el Cinturón de seguridad assembly are defined by its function as a primary, life-saving, pyrotechnic restraint system.
| Solicitud de vehículo | FAW Jiefang CA4251P66K24T1A3E5 6×4 Tractor |
| Grupo de componentes | Cinturón de seguridad (Exterior) |
| Tipo de sistema | 3-Point Emergency Locking Retractor (ELR) |
| Lógica de bloqueo 1 | Vehicle-Sensitive (G-Force Pendulum) |
| Lógica de bloqueo 2 | Webbing-Sensitive (Centrifugal Clutch) |
| Active Safety Logic | Pyrotechnic Pre-tensioner (One-Time-Use) |
| Webbing Logic | Controlled Elongation (Energy Absorbing) |
| Componente 1 (Principal) | ‘Outer seat belt assy’ (8212010-A86-C00) |
| Componente 2 (Cubrir) | '…fixed cover-seat belt’ (8212058-A01) |
| Tipo de sujetador (Implícito) | Clase 10.9+ Par-a-rendimiento (De un solo uso) |
| Utilidad | MANDATORY replacement of Component 1 and all fasteners after any collision. |
piezas FAW, incluido el conjunto del bloque de cilindros, Se empaquetan con cuidado para garantizar una entrega segura.. Cada componente está asegurado con materiales protectores para evitar daños durante el transporte.. La red logística garantiza envíos puntuales en todo el mundo., apoyando operaciones de mantenimiento eficientes. A continuación se muestra una imagen que ilustra el embalaje estándar de las piezas de camiones FAW., mostrando la atención al detalle en el manejo y almacenamiento.
Este enfoque de embalaje minimiza el riesgo de corrosión o daños por impacto., asegurando que piezas como el conjunto de bloque de cilindros FAW lleguen en perfectas condiciones. Los clientes pueden confiar en la logística de FAW para obtener calidad y confiabilidad constantes.
FAW es uno de los fabricantes de automóviles más grandes y antiguos de China, con capital registrado de RMB 35.4 mil millones de yuanes y activos totales de RMB 457.83 mil millones de yuanes.
CHINA FAW GROUP CO., LIMITADO. (abreviatura de FAW), anteriormente China First Automobile Works, puede rastrear sus raíces hasta julio 15, 1953, cuando comenzó a construirse su primera planta de ensamblaje. FAW es uno de los fabricantes de automóviles más grandes y antiguos de China, con capital registrado de RMB 35.4 mil millones de yuanes y activos totales de RMB 457.83 mil millones de yuanes.
Ventas globales de camiones pesados en China “cinco seguidos”, ventas de camiones pesados a nivel mundial “seis seguidos”, venta de tractores para 16 años consecutivos líder absoluto en la industria.
