Oilfield Oil Drilling Hydraulic Power Tong Drill Rig Tongs

Hydraulic Power Tongs Product Introduction

During well maintenance operations, one of the most labor-intensive tasks for workers is to connect or disconnect (thread or unthread) oil pipes and drill pipes. Traditionally, this task was performed using pipe wrenches or chain tongs, which not only required significant physical effort but also posed safety risks.The hydraulic power tongs are mechanical tools operated by the power from a workover rig, designed specifically for threading and unthreading operations. They can handle drill strings and tubing sizes ∅50 mm (1.99"), ∅60 mm (23/8"), ∅73 mm (27/8"), ∅89 mm (31/2"), ∅95 mm (33/4"), ∅108 mm (41/4"), ∅114 mm (41/2"), Ø120 mm (4.3/4"). They significantly reduce the physical strain on workers and help prevent or minimize accidents. Additionally, hydraulic power tongs increase the torque applied to the threads of pipes and drill pipes, reducing the likelihood of thread disengagement incidents.

Working Principle

The working principle of hydraulic power tongs involves transferring the power from the workover rig to the hydraulic motor of the tongs via a stroke reducer. The hydraulic motor then undergoes either single-stage or dual-stage deceleration, causing the open gear on the tong head to rotate. This rotation generates two different speeds, thereby rotating the pipe (or drill pipe).When the open gear rotates, the intermediate rack remains stationary due to the braking effect of the brake hammer, creating relative motion between the open gear and the jaw frame. As a result, the two rollers on the jaw climb the inclined plate, forcing the jaws on the crossbeam to move towards the center of the pipe (or drill pipe), eventually gripping it tightly. Once the pipe (or drill pipe) is securely held, it rotates along with the open gear.

Product Features

1. High-Precision Torque Control System: The torque control system is integrated into the power tongs, ensuring high-precision torque control.
2. Intelligent Speed Control: Smart speed control to adapt to various operational requirements.
3. Automatic Forward/Reverse Recognition: Automatically identifies and adjusts forward/reverse directions, improving operational efficiency.
4. Real-Time Monitoring of Make-Up Torque Curves: Real-time viewing of make-up torque curves on-site for monitoring and adjustment.
5. Large Contact Area Jaws Made of Flexible Materials: Jaws made from flexible materials provide a large contact area, reducing damage to the surface of the oil pipes.
6. Optional Adjustable Speed Valve Group: An optional adjustable speed valve group can be selected to enhance operational flexibility.

Technical specification:

Rated torque: 700 N.m
Rated low-end torque: 1800 N.m
Rated speed: 104 r/min;
Rated low-end speed: 40 r/min;
Rated system pressure: 10 MPa
Fuel supply: 65 L/min
Dimensions: Length x Width x Height mm: 543 x 334 x 404
Transport weight (including back clamp): 105 kg