Jiaozuo brake

Due to the mechanical electrical type used in the brake, it is also very important to inspect the electrical part of the brake.

(1) Under working voltage, operate the traction machine according to its operating mechanism, load duration, and cycle. When the brake reaches a thermal stable state, measure the temperature rise of the brake coil. The measurement method adopts the resistance method in Article 8.6.2 of GB 755-2008 "Rating and Performance of Rotating Electrical Machines" for measurement and calculation. When using Class B insulation, the temperature rise of the brake coil should not exceed 80K; When using Class F insulation, the temperature rise of the brake coil should not exceed 105K. For brakes with exposed surface temperatures exceeding 6 (TC), warning signs to prevent burns should be added.

(2) The withstand voltage test of the brake coil should meet the requirement of applying 1000V voltage between the conductive part and the ground for 1 minute, and there should be no breakdown phenomenon.

(3) The low pull-in voltage and high release voltage of the brake electromagnet should be measured after the brake temperature rise test is completed. GB/T 24478-2009 "Elevator Traction Machines" stipulates that the low pull-in voltage and high release voltage of the brake electromagnet should be lower than 80% and 55% of the rated voltage, respectively.

(4) Newer brakes are equipped with a brake monitoring switch. When the brake operates abnormally, the switch will act and the elevator will stop for protection, providing guarantee for the safe and reliable operation of the brake. But there are no relevant standard requirements, and we hope to reflect them in the standards in the future for maintenance and inspection.

(5) Another key point of the brake electrical part is the control circuit of the brake coil. The fully hydraulic braking system consists of a charging valve, accumulator, foot valve, caliper brake (or other forms of brakes), as well as a brake tail light switch, pressure switch, etc. After the pressure oil is supplied to the accumulator through the charging valve, it enters the foot valve all the way. The foot valve is actually a proportional directional valve that is stepped on, and then enters the brake next to the tire. When the braking force is insufficient, the accumulator can provide short-term oil supply.

There is also a type of pneumatic hydraulic brake. The pressure gas is generated by the vacuum booster pump on the engine, which pushes the brake cylinder. The right side of the brake oil tank enters the brake cylinder to increase force, and then enters the brake. The brake used in industrial brakes for cranes is both a working device and a safety device. In the lifting mechanism, the brake is used to smoothly stop the lifted or lowered goods at the required height, or to control the speed of lifting or lowering. In the operation or amplitude changing mechanism, the brake can make the mechanism stop at the required position smoothly.

Hydraulic braking has the advantages of stable, safe and reliable, convenient maintenance, low power consumption, long service life, no noise, and high frequency.

The company's products are widely used in domestic industries such as lifting and transportation, port machinery, metallurgical machinery, railway machinery, hydraulic machinery, mining machinery, etc

The applicable requirements, environment and detailed technical parameters of electric hydraulic caliper disc brake are specified in the product catalog. Please strictly follow them and do not exceed the limit of large parameters.

YQP series: YQP50 YQP100 YQP160 YQP250 YQP315 YQP400 YQP365

SB series: SB50 SB100 SB160 SB250 SB365

YPZ series: YPZ2-I YPZ2-II YPZ2-III YPZ2-IV YPZ2-V YPZ2-VI P2-III

QP series: QP12.7 QPL12.7-A QP25.4 QP30 QP40

YP series: YP1 YP2 YP3 YP11 YP21 YP31 YP41

Yaw series: (0.8 MW, 1.5 MW, 2 MW) DADH75 DADH80 DADH90 DADH103 DADH120 DADH195

ADP series: ADP (H) 60 ADP (H) 90 ADP (H) 120

SE series: 3SE (P) 4SE (P) 5SE (P) 450SE 56SE

ST series: ST1SH ST2SH ST3SH ST4SH ST5SH ST10SH ST25SH ST25SH-A ST40SH ST3SH-A

We mainly produce YWZ1, YWZ2, YWZ3, YWZ4, YWZ5, YWZ8, YWZ9, YWZ10, YWZ12, and YWZ13 series electric hydraulic brakes. ­ Various explosion-proof brakes and TJ2 series of new energy-saving electromagnetic brakes, with complete product specifications, reliable performance, and superior quality. It sells well all over the country and is highly praised by users.

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