제품 세부 정보
원래 장소: 중국
브랜드 이름: ZS
인증: API
모델 번호: 324D
지불 및 배송 조건
최소 주문 수량: 5
가격: 22300
포장 세부 사항: 강철 프레임
배달 시간: 30일
지불 조건: 티/티
공급 능력: 500
Oilfield Pumping Unit Gear Reducer (Gearbox)
This heavy-duty gear reducer is designed for beam pumping units in oilfield applications. It reduces the motor speed to drive the crank mechanism, converting rotary motion into reciprocating beam movement for oil extraction. It meets API Spec 11E standards and is built for long-term, high-load operation in harsh environments.
| Parameter | Standard Range | Notes |
|---|---|---|
| Applicable Standard | API Spec 11E, SY/T 5044 | Compliant with oilfield pumping unit standards |
| Model Series | JLH / CJH / API Standard (e.g., 320, 456, 640, 800, 1280) | Matches CYJ/CYJY pumping unit series |
| Rated Output Torque | 6.5–89 kN·m (5,000–65,000 ft-lbs) | Depends on model (common: 9, 13, 18, 26, 37, 48 kN·m) |
| Transmission Ratio | 25–35:1 | Typical ratios for pumping units: 31.73, 30.56, 29.3 |
| Input Speed | 750–1500 RPM | Matches standard electric motor speeds |
| Output Speed | 20–60 RPM | Adjusts pumping unit stroke frequency |
| Gear Type | Double helical (herringbone) or helical gears | Smooth, high-efficiency power transmission |
| Gear Material | 20CrMnTi alloy steel, case-hardened | Surface hardness: HRC 58–62 |
| Housing Material | Cast iron (HT200/HT250) | High rigidity and vibration resistance |
| Lubrication | Splash lubrication with gear oil (ISO VG 150/220) | Oil bath system for continuous gear lubrication |
| Brake Type | Band brake / shoe brake | For controlled stopping and holding under load |
| Operating Temperature | -40°C ~ +55°C | Adaptable to extreme oilfield climates |
| Mounting Style | Horizontal base-mounted | Compatible with standard pumping unit frames |
Working Principle
1. Power Input: The electric motor drives the reducer input shaft via a V-belt pulley.
2. Speed Reduction: Multiple stages of helical gears reduce the input speed while multiplying torque.
3. Torque Output: The low-speed, high-torque output shaft drives the pumping unit crank.
4. Motion Conversion: The crank converts rotary motion into reciprocating beam movement, powering the sucker rod string.
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