On the 15th, the municipal quality supervision, environmental protection, and public security traffic control departments conducted joint inspections of the city's motor vehicle inspection agencies. Next, the city will carry out joint supervision and inspection to strictly check the size of large and medium-sized passenger cars, heavy medium and medium-sized trucks, reflective signs, dynamic monitoring and so on.
Selection and precautions of hydraulic cylinders for excavators
For Zaxis Cylinder Seal Kit,Bucket Cyl Kit,Travel Motor Seal Kit,Middle Arm Cylinder Seal Kit Safe Seal Technology Co., Ltd. , https://www.jsspreals.com
According to reports, in May last year, the Ministry of Public Security and the General Administration of Quality Supervision, Inspection and Quarantine jointly issued the "Opinions on Strengthening and Improving Motor Vehicle Inspection Work." According to the requirements of the opinions, the motor vehicle safety and technical inspection agency shall have independent legal person qualification according to law, and the person in charge of the organization and its inspectors shall bear the responsibility of the inspection law. Personnel engaged in motor vehicle safety and technical inspection must be certified by the Municipal Quality Supervision Bureau, and the key personnel such as technical person in charge, quality in charge, report authorized signatory, and pilots should fully meet the requirements of the motor vehicle safety technical inspection agency. Requirements for the Qualifications and Technical Conditions.
The inspection focused on the supervision and inspection of the inspection qualifications of motor vehicle inspection agencies, the implementation of national motor vehicle safety technical inspection standards, the certification of personnel, and the measurement and verification of inspection equipment. At the same time, through the use of standard vehicles on the wheel weight, vehicle speed, headlights, high beam luminous intensity and other three in-line inspection equipment for comparison, the city's motor vehicle security inspection equipment testing equipment and testing strength to consider.
Prior to this, the quality supervision, public security, and environmental protection departments carried out centralized clean-up of 40 security inspection agencies in the city, and interviewed security inspection agencies that did not meet the requirements of the "Opinions." At present, all 40 security agencies are qualified.
The hydraulic cylinder of an excavator is one of the important components, which converts hydraulic energy into mechanical energy,
Drive mechanical movement. When purchasing hydraulic cylinders for excavators, the following points should be noted:
1. Size and quality: The size and quality of the excavator hydraulic cylinder should match the model and specifications of the excavator to ensure its normal operation.
2. Pressure and flow rate: The pressure and flow rate of the excavator hydraulic cylinder should match the requirements of the hydraulic system,
To fully utilize the capabilities of the hydraulic system.
3. Sealing performance: The hydraulic cylinder of the excavator has good sealing performance to avoid hydraulic oil leakage or entering the mechanical interior.
4. Durability: The hydraulic cylinder of the excavator has good durability and can withstand long-term heavy load work.
5. Brand and Quality: Choose well-known excavator hydraulic cylinders to ensure their quality and after-sales service
·Beijing motor vehicle inspection agency strictly checks the qualifications of practitioners