HomeNewsCompany NewsPurchase value-added package service: Maintenance of the entire machine’s gearbox and motor

Purchase value-added package service: Maintenance of the entire machine’s gearbox and motor

Release time: 2026-04-03

Structural maintenance of gearbox: disassembly and inspection, identification of core hazards

As the core component of power transmission, the rotary drilling rig reducer is mainly composed of gear sets, bearings, housing, oil seals and other structures. Its maintenance needs to follow the core process of “disassembly inspection cleaning reassembly”. During maintenance, first disconnect the power supply, release the load, separate the reducer from the motor, disassemble the housing, and inspect the key structures one by one: the gear set needs to be checked for defects such as wear, pitting, and broken teeth on the tooth surface, and whether the meshing clearance meets the standards; The bearing needs to be checked for rotational flexibility, any jamming, abnormal noise, and wear marks, and the bearing seat should be checked for looseness; The shell needs to be cleaned of internal oil stains and impurities, and checked for cracks, deformations, and oil leakage points; The sealing performance of the oil seal needs to be checked. If there is aging or damage, it should be replaced in a timely manner to ensure that the reducer structure is intact and operates smoothly after maintenance.

This is the engine testing station

Motor structure maintenance: precise inspection to ensure power output

As a power source, the rotary drilling rig motor is commonly a hydraulic motor, which is mainly composed of core structures such as rotor, stator, distribution plate, plunger, etc. Its maintenance focus is on identifying power transmission hazards and ensuring sealing performance. During maintenance, first release the hydraulic system pressure, disassemble the motor connecting pipeline, and focus on checking the fit clearance between the rotor and stator after disassembling the motor. If the clearance is too large, it may cause power leakage and insufficient output; Check the surface of the distribution plate for wear and scratches to ensure smooth oil passage and avoid hydraulic oil leakage; The plunger needs to be checked for sealing performance and wear, and if there is any jamming or sealing failure, it should be replaced in a timely manner; At the same time, clean up the oil and impurities inside the motor, check whether the wiring terminals (electric motor) or hydraulic interfaces are intact, and prevent loosening and leakage problems.

Many gearbox accessories

Test bench testing: Simulate working conditions to verify maintenance effectiveness

After the separate maintenance of the reducer and motor, it is necessary to conduct simulated working condition testing on a professional testing platform to ensure that their performance meets the standards before installation and use. This is a key step in the maintenance process. During testing, reconnect the reducer and motor, connect them to the testing platform, simulate the actual operating load, speed and other working conditions of the rotary drilling rig, and focus on testing three core indicators: first, power transmission efficiency, check whether the output speed and torque of the reducer meet the original factory standards, and whether there is power loss; The second is the sealing performance, which involves detecting the amount of hydraulic oil leakage in the hydraulic motor and the sealing condition of the gearbox oil seal to prevent leakage; The third is the stability of operation, observing whether there is any abnormal noise or vibration during equipment operation, whether the temperature is controlled within the normal range, and ensuring that there are no hidden dangers.

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Test bench inspection details: standardized operation, avoiding secondary faults

The testing of the test bench should follow professional standards to avoid secondary damage caused by improper operation. Before testing, it is necessary to check whether the circuit and pipeline connections of the test bench are firm, add lubricating oil and hydraulic oil that meet the specifications, and ensure the safety of the testing environment; Real time monitoring of various parameters during the detection process, keeping records. If there are problems such as abnormal speed, insufficient torque, leakage, etc., the machine needs to be stopped to re inspect and repair the parts, adjust assembly accuracy, or replace damaged components; After the inspection is completed, the reducer and motor need to be cleaned again, lubricated, sealed, and marked for maintenance to provide reference for subsequent operation and maintenance, ensuring stable operation of the equipment after installation.

A brand new gearbox accessory warehouse

Standardized maintenance+precise testing, guarding the power core of equipment

The reducer and motor of the rotary drilling rig are the key to the power transmission of the whole machine, and their structural maintenance and testing bench inspection are indispensable. By scientifically disassembling and accurately inspecting core structures such as gearbox gear sets, bearings, motor rotors, and distribution plates, hidden dangers such as wear, leakage, and looseness can be eliminated in a timely manner; By using a test bench to simulate working conditions, the maintenance effect can be effectively verified, ensuring that the power transmission efficiency, sealing performance, and operational stability meet the standards. Standardizing the maintenance and inspection process can not only extend the service life of reducers and motors, reduce downtime due to malfunctions, but also ensure the overall operational efficiency of rotary drilling rigs, reduce maintenance costs, and provide strong support for safe and efficient construction of equipment.

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