Gate Sluice Valve

1. Basic inspection and cleaning

‌Appearance inspection‌:

Check the gate surface for rust, wear, deformation or cracks every day, remove rust and apply anti-rust paint in time, check whether the connection parts (such as bolts and nuts) are loose, tighten the loose parts to prevent leakage, observe whether the water seal device (water stop belt, water stop rubber) is aging or damaged, and ensure tight sealing.

‌Floating object cleaning‌:

Regularly clean the floating objects (such as stones and silt) in front of the gate to avoid blocking the gate slot or affecting the opening and closing. The rivers with a lot of silt need to be regularly drained to prevent siltation.

2. Lubrication and transmission maintenance

‌Lubrication operation‌:

Regularly add lubricating oil (such as hydraulic oil and butter) to the rotating parts such as the walking support device and the guide device to keep the operation smooth, check the oil level and cleanliness of the lubricating oil, and replenish or replace the deteriorated oil in time.

‌ Transmission device inspection‌:

Check whether the transmission parts such as slide rails, chains, gears are loose, worn or deformed, and replace abnormal parts. The electric/hydraulic hoist needs to check the power connection and the operating status of the actuator (such as motor noise and air source pressure).

3. Water stop and seal maintenance

Water stop device maintenance ‌:

Regularly check the integrity of the water stop belt, broken and worn parts to avoid water leakage. Prevent the water stop rubber from being exposed to the sun and aging in high temperature environments, and cover the protective layer.

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Sealing performance test ‌:

Verify the sealing of the gate through opening and closing operations. If leakage is found, the water stop device needs to be adjusted or the seal needs to be replaced.

4. Opening and closing equipment maintenance

‌ Operation specifications ‌:

When opening and closing, pay attention to the upper and lower positions of the gate to avoid over-limit operation and damage to the equipment. If opening and closing abnormalities (such as jamming and abnormal noise) are found, stop the machine immediately for inspection.

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Equipment maintenance‌:

Check whether the hydraulic system oil pipe of the gate hoist is leaking, replace damaged oil pipes or seals, and regularly debug the measurement and control device to ensure reliable remote control‌.

5. Maintenance in different scenarios

‌Winter antifreeze‌:

Use electric heating, steam or antifreeze tank to prevent the gate from freezing with the ice layer and avoid static ice pressure damage‌. The hydraulic system needs to replace the low-temperature hydraulic oil to maintain flow.

‌Anti-corrosion treatment‌:

Anti-corrosion treatment is carried out during the dry season every year: anti-rust paint is applied to the surface (once every six months), and the running-in surface is oiled (once every quarter). Severely corroded parts need to be mechanically derusted and then welded with steel plates or replaced as a whole. ‌