1. Protective railings and warning signs shall be set at the outer sides of both ends of the workplace.
2, before operation, should check the upsetting situation at both ends of the steel wire, when there is a crack or damage, should be replaced in time.
3. The diameter of the circular hole on the upsetting end plate of the fixed steel wire should be 0.2 mm larger than the diameter of the drawn steel wire.
4. Before starting the high-pressure oil pump, loosen the regulating valve of each oil circuit before starting the oil pump. After no-load operation is normal, close the oil return valve and gradually loosen the oil inlet valve. The operation can only be started after the indicated value of the pressure gauge meets the requirements and there is no leakage in the oil circuit.
5, homework, operation should be smooth and uniform. When tensioning, no one is allowed to stand at both ends. When the stretcher is under pressure, it is forbidden to disassemble any part of the hydraulic system.
6. The high-pressure oil pump shall not be overloaded, and the safety valve shall be adjusted according to the rated oil pressure of the equipment. Any adjustment is strictly prohibited.
7, when measuring the elongation of steel wire elbow, should first stop stretching, the operator must stand on the side.
8. When working with electric heating tension method, insulating rubber shoes and insulating gloves should be worn.
9. When tensioning, do not touch the wire with your hands or feet.
When the high-pressure oil pump stops working, disconnect the power supply first, and then slowly loosen the oil return valve. When the pressure gauge is zeroed, the oil pipes connected to the jacks can be unloaded, so that all jacks can be unloaded.
The detailed information of "Operating Rules for Prestressed Steel Tension Equipment" can be found in Zhong Da Consulting Design, and all relevant building construction information you want is available.
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