In-depth analysis and solutions for the problem of slight cylinder pulling of hydraulic breaker

In the field of engineering machinery, hydraulic breaker has become an indispensable and important tool in many construction projects with its powerful crushing ability and wide application scenarios. However, during use, hydraulic breaker occasionally has the phenomenon of slight cylinder pulling, which not only affects the performance of the equipment, but also may have an adverse effect on the construction progress. This article will conduct an in-depth analysis of the reasons for slight cylinder pulling of hydraulic breaker and provide corresponding solutions to help users better maintain and use the equipment.

1. Analysis of the reasons for slight cylinder pulling of hydraulic breaker

1. Hydraulic oil quality problem
Hydraulic oil is the core working medium of hydraulic breaker, and its quality directly affects the operation of the equipment. If the hydraulic oil is of poor quality and contains impurities or moisture, its lubrication performance will be greatly reduced, resulting in increased friction between the piston and the cylinder body, and then a slight cylinder pulling phenomenon will occur.

2. Hydraulic system pipeline problem
The pipeline layout and connection status of the hydraulic system are crucial to the stability of the equipment. If the pipeline is loose, worn or poorly connected, it may cause hydraulic oil leakage and impurities to mix in, thereby affecting the normal operation of the hydraulic system. In addition, unreasonable pipeline layout may also cause poor flow of hydraulic oil and increase friction between the piston and the cylinder body.

3. Aging of piston seal ring
The piston seal ring is a key component in the hydraulic breaker to prevent hydraulic oil leakage. If the seal ring is aged, broken or deformed, it will lead to poor sealing, causing hydraulic oil to penetrate into the gap between the piston and the cylinder, aggravating friction and wear.

4. Excessive pressure fluctuation
The pressure stability of the hydraulic system is crucial to the performance of the equipment. If the pressure fluctuation is too large, it will cause the piston to move unstably in the cylinder, increasing the risk of friction and wear.

5. Failure of the cooling system
The hydraulic breaker will generate a lot of heat during operation. If the cooling system fails, the oil temperature will be too high, thereby reducing the lubrication performance of the hydraulic oil and aggravating the friction between the piston and the cylinder.

Hydraulic breaker middle cylinder block

2. Solutions for slight cylinder pulling of hydraulic breaker

1. Regularly check the hydraulic oil
To ensure the normal operation of the hydraulic breaker, users should regularly check the quality and quantity of the hydraulic oil. If the hydraulic oil is found to be of poor quality or contains impurities, it should be replaced with new hydraulic oil in time and the hydraulic system should be cleaned.

2. Strengthen the maintenance of the hydraulic system pipeline
Users should regularly check whether the pipeline connection of the hydraulic system is firm. If it is loose or worn, it should be replaced or repaired in time. At the same time, the pipeline layout should be reasonable to avoid excessive bending or extrusion to ensure the smooth flow of hydraulic oil.

3. Replace aging seals
Users should regularly check the status of the piston seals. If aging, breakage or deformation is found, new seals should be replaced in time. When selecting seals, wear-resistant and high-temperature resistant materials should be given priority to increase their service life.

4. Stabilize the pressure of the hydraulic system
To ensure the stability of the hydraulic system, users should regularly check whether the pump, valve and other components are faulty, and repair or replace them in time. At the same time, the pressure stability of the hydraulic system should be adjusted to ensure that the pressure works within a stable range.

5. Check the cooling system
Users should regularly check the status of the cooling system to ensure that the radiator is clean and the fan is working properly. If the cooling system fails, the relevant components should be replaced or repaired in time to ensure the normal heat dissipation of the equipment.

III. Daily maintenance suggestions

In addition to the above solutions, users should also strengthen the daily maintenance of hydraulic breakers, including regular cleaning of equipment, checking the wear of various components, and replacing damaged parts in time. At the same time, users should also pay attention to the operating conditions of the equipment. If abnormal sounds, vibrations or leaks are found, the equipment should be stopped for inspection and treatment in time.

Conclusion

Although the problem of slight cylinder pulling of hydraulic breakers is common, as long as we have a deep understanding of its causes and take effective solutions and daily maintenance measures, we can effectively avoid the occurrence of this problem. I hope this article can provide users with useful reference and help, and jointly promote the healthy development of the construction machinery industry.