What is the reason for the excavator to hold the vehicle? Analysis of popular topics on the entire network in the past 10 days
Recently, among the hot topics in the field of construction machinery, the issue of "excavator holds the vehicle" has become the focus of discussion. This article combines the hot contents of the entire network for the past 10 days to structure the reasons for the excavator to hold the vehicle and provides solutions.
1. Common reasons for excavators holding up trucks
According to recent construction machinery forums and maintenance cases, the main reasons for excavators to hold up vehicles are as follows:
| Cause classification | Specific performance | Percentage |
|---|---|---|
| Hydraulic system problems | Hydraulic pump pressure abnormality, valve group stagnation | 35% |
| Insufficient engine power | Fuel system failure, turbocharger damage | 28% |
| Improper operation | Compound actions and overload operations at the same time | 20% |
| Electrical system failure | Sensor signal abnormality, ECU program error | 12% |
| Other mechanical failures | Slewing motor damage, walking reducer failure | 5% |
2. Recent hot case analysis
1.A collective car-holding incident of a brand of 20-ton excavator: In the past week, users in many places have reported that the same model of equipment is frequently held in high temperature environments, and the manufacturer has issued technical notices.
2.New energy excavator car holds controversy: The power output of electric excavators in low temperature environments has caused industry discussion, and the number of readings on related topics exceeds 500,000.
3. Solutions and preventive measures
| Question Type | Solution | Preventive measures |
|---|---|---|
| Hydraulic system problems | Detect the main pump pressure, clean or replace the valve set | Regularly replace hydraulic oil and filter elements |
| Insufficient engine power | Check the fuel system, clean or replace the fuel injector | Use qualified fuel and maintain regularly |
| Operational issues | Adjust the operation mode to avoid compound actions | Strengthen operator training |
4. Industry experts' suggestions
1. Regularly conduct full-vehicle inspection of equipment and establish maintenance files
2. Pay attention to the technology upgrade notice issued by the manufacturer
3. Appropriately reduce the working intensity under harsh working conditions
4. Use original accessories for repair
5. The five most concerned issues for users
1. Will holding the car cause permanent damage to the engine?
2. How to determine whether it is a hydraulic problem or an engine problem?
3. Are there any differences in the reasons for holding cars in different brands such as Komatsu and Carter?
4. Are second-hand excavators more likely to cause car hold?
5. Are the reasons for holding the car in winter and summer different?
Conclusion:
The problem of excavator truck holding is the result of the combined effect of multiple factors and needs to be analyzed in combination with specific phenomena. It is recommended that users contact professional maintenance personnel for diagnosis when encountering car holds problems to avoid greater losses due to blind operations. With the development of intelligent diagnostic technology, the judgment and handling of such problems will be more accurate and efficient in the future.
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