{"id":51906,"date":"2026-04-22T00:09:22","date_gmt":"2026-04-22T00:09:22","guid":{"rendered":"https:\/\/wintec.kr\/?page_id=51906"},"modified":"2026-06-05T00:01:31","modified_gmt":"2026-06-05T00:01:31","slug":"jack-spring","status":"publish","type":"page","link":"https:\/\/wintec.kr\/en\/critical-tech\/jack-spring\/","title":{"rendered":"Reactor Manhole Jack Spring Device"},"content":{"rendered":"
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Reactor Manhole Jack Spring Device<\/p>\n\n\n\n

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TCU System<\/a><\/div>\n\n\n\n
Hose Pump Pulsation Control System<\/a><\/div>\n\n\n\n
Spray Dryer System<\/a><\/div>\n\n\n\n
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Tray Dryer Heat Exchange System<\/a><\/div>\n\n\n\n
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Reactor Manhole Jack Spring Device<\/p>\n\n\n\n

This is an introduction to the Reactor Manhole Jack Spring System by Wintech Co., Ltd.<\/p>\n<\/div>\n\n\n\n

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What is a Manhole Jack Spring Device for Reactors?<\/p>\n\n\n\n

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A device that uses the elastic force of springs to smoothly lift heavy manhole covers weighing several hundred kilograms with minimal operator effort and securely hold them at a desired angle during opening and closing operations.<\/p>\n<\/div>\n\n\n\n

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Main Components<\/strong><\/p>\n\n\n\n

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Coil Spring: A spring that supports the load of the cover, stores elastic energy, and provides lifting force.<\/p>\n<\/div>\n<\/div>\n\n\n\n

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Hinge Arm: A shaft connecting the cover and the main body, designed to evenly distribute the spring force to the cover.<\/p>\n<\/div>\n<\/div>\n\n\n\n

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Adjustment Nut\/Bolt: A component that finely adjusts spring tension to balance the cover and prevent rapid rebound or excessive sagging.<\/p>\n<\/div>\n<\/div>\n\n\n\n

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Stopper and Locking Device: A safety device that holds the cover at a designated angle when fully opened to prevent sudden closing accidents.<\/p>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n

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Expected Benefits<\/strong><\/p>\n\n\n\n

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Improved Operator Safety<\/p>\n\n\n\n

It eliminates risks such as finger entrapment and back injuries during opening and closing operations, while preventing sudden cover drop hazards.<\/p>\n<\/div>\n<\/div>\n\n\n\n

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Enhanced Maintenance Efficiency<\/p>\n\n\n\n

It allows single-operator manhole opening and closing without cranes or hoisting equipment, thereby reducing reactor inspection and maintenance time.<\/p>\n<\/div>\n<\/div>\n\n\n\n

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Protection Against Equipment Damage<\/p>\n\n\n\n

It prevents foreign matter contamination and incorporates anti-static design to eliminate explosion risks from combustible dust.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n

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