Hydraulic tensioner is the world's most advanced bolt pre-tightening and dismantling tool. Hydraulic bolt tensioner is widely used in the pre-tightening of large-diameter bolts because of its simple operation and convenient use. Practice has proved that the hydraulic tensioner has little damage to the equipment, the connecting components are evenly stressed, and the reliability of the bolted connection is high. In addition, it can also be used as a device for hydraulic interference connection to exert axial force for top pressure installation. Especially in the working environment with serious pollution or limited space area, the use of hydraulic stretching device is difficult to replace by any other tool, and it is an ideal process equipment for the assembly of large and medium-sized mechanical products and equipment maintenance. Greatly improve the efficiency of construction work. In the hole of the lower cover of the cylinder, the hole is pressed with a retaining ring, while the existing national standard product 35 is: 43 × 35 × 10, and the outer diameter differs by 7mm. We use the method of machining a steel sleeve with an outer diameter of 50mm, an inner diameter of 43mm and a thickness of 10mm to install the sealing ring, and then insert the steel sleeve into the hole of the lower cover.
Install an O-ring 42.5×3.55 on the gasket. In this way, the lower end face of the steel sleeve can compress the O-ring and increase the inner diameter of the gasket 2 to compress the gasket, thereby effectively preventing In the process of implementation, the thickness of the steel sleeve must be appropriate, so that the retaining ring can not only be installed, but also the steel sleeve can be pressed against the O-ring without leakage. After careful measurement, carefully The calculation finally solved this problem. After installation and debugging, there is no leakage and good operation. Through the above replacement of the seals of the shearing machine, a major hidden danger in production has been solved. In just 3 days The completion of the above tasks not only ensures the timely repair and operation of the equipment, so that the workshop production can be carried out smoothly, but also saves our factory the funds required for customizing or ordering seals, and also trains the workshop technicians to analyze problems and The ability to solve problems has laid a good foundation for solving some problems in equipment maintenance in the future.

Shearing machine operation process

Installation and debugging, installation and use classification of stainless steel water tank

Shearing machine operation process

Installation and debugging, installation and use classification of stainless steel water tank

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