Common faults and solutions of intelligent tensioning equipment

Intelligent tensioning equipment has been widely used in bridge and road construction, tensioning is a very important link. The quality of tension construction will directly affect the quality of the whole construction project. With the development of The Times, now people use machines instead of manual work, the work rate and quality have also improved. Since it is a mechanical equipment, daily maintenance is also indispensable. If the machine is not properly maintained, some failures will occur. Let's look at how to fix or prevent several common failures.

Methods of maintaining intelligent tensioning equipment:

1. When stretched, the prestressed steel bar continuously breaks; Jack serious oil leakage; Pressure gauge pointer can not return to zero; Jack to replace oil pressure parts.

2, when using the pressure gauge, the accuracy of the pressure gauge can not be less than 1.5> the maximum degree of the pressure gauge can not be less than U5 times the rated tension pressure of the equipment.

3, you can use a standard dynamometer or check the jack on the experimental machine. The spring dynamometer used in tensile copper wire can be checked on the experimental machine.

4. When using the tensioning equipment, the operator should understand the technical performance of the equipment and operate in strict accordance with the use requirements.

5, high pressure oil pump, 10 or 20 oil is generally used for working oil. The oil is filtered once a month, and once every three months when not used. The tubing connecting the oil pump and jack should be kept clean and sealed when not in use.

6, the pump should not overload work. The copper pipe or oil-resistant rubber pipe used for the oil pipe must be resistant to high pressure, the length of the oil pipe should not be less than 2.5 meters, and the copper pipe should be avoided as far as possible.

7. When using the jack, it is not allowed to exceed the specified load and stroke, and the exposed part of the piston must be clean; After use, each cylinder should keep the inlet and outlet clean and covered with protection.

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