Introduction and working principle of floor concrete laser leveling machine

As an important equipment for modern floor construction, the stability and service life of concrete laser leveling machine are crucial to construction efficiency and quality. In order to ensure the normal operation of the concrete laser leveling and extend its service life, regular repair and maintenance are essential. This article will introduce in detail the repair and maintenance methods of the concrete laser leveling, including daily equipment inspection, laser system calibration, blade and scraper maintenance, hydraulic system maintenance, electrical system inspection, filter and oil replacement, machine body cleaning and protection and storage and transportation precautions. ☆♦☆ Daily inspection of equipment ☆♦☆ Daily inspection of equipment is the basic work for the repair and maintenance of concrete laser leveling. Its purpose is to discover and deal with potential problems in time to ensure the normal operation of the equipment. Daily inspections mainly include the following: 1. Check the appearance of the equipment to ensure there is no obvious damage, deformation or corrosion. 2. Check whether the connecting bolts of each component of the equipment are tight and not loose. 3. Check the hydraulic oil tank, fuel tank and lubricating oil level to ensure that the oil level is within the normal range. 4. Check the wear of wearing parts such as blades and scrapers. If there is any wear, replace it in time: 5. Check the working status of key components such as the laser system and electrical system to ensure their normal operation. ☆♦☆ Laser system calibration ☆♦☆ The laser system is the core component of the concrete laser leveling machine, and its accuracy is directly related to the flatness of the floor. Therefore, regular calibration of the laser system is very necessary. The main steps for laser system calibration are as follows: 1. Use professional laser calibration instruments to calibrate the laser transmitter and receiver to ensure accurate propagation of the laser beam. 2. Check whether the laser reflector is clean and unobstructed to ensure it is working properly. 3. Adjust the height and angle of the laser leveler according to the actual situation to ensure that the laser beam is parallel to the ground. ☆♦☆ Blade and scraper maintenance ☆♦☆ Blades and scrapers are important wearing parts of concrete laser levelings, and their performance directly affects the construction quality of the floor. In order to extend the service life of blades and scrapers and improve construction efficiency, they need to be maintained regularly. Maintenance measures mainly include: 1. Check the wear of the blade and scraper. If there is any wear, replace it in time. 2. Clean the blades and scrapers regularly to remove concrete residue and dirt on the surface. 3. Apply an appropriate amount of grease on the surface of the blade and scraper to reduce friction and wear. ☆♦☆ Hydraulic system maintenance ☆♦☆ The hydraulic system is the power transmission system of the concrete laser leveling. Its stability and reliability are crucial to the normal operation of the equipment. The main contents of hydraulic system maintenance include: 1. Regularly check the oil level and quality of the hydraulic oil tank, and promptly replenish or replace the hydraulic oil if necessary. 2. Clean the filter and radiator of the hydraulic system to prevent clogging and overheating. 3. Check whether the connections of the hydraulic pipelines are tight and there is no leakage. 4. Regularly inspect and maintain hydraulic pumps, motors and valves to ensure their normal operation. ☆♦☆ Electrical system inspection ☆♦☆ The electrical system is the control system of the concrete laser leveling, and its stability and safety are crucial to the normal operation of the equipment. The main contents of electrical system inspection include: 1. Check whether the connection between cables and connectors is tight and free of damage or looseness. 2. Check the working status of electrical components such as sensors, switches and relays to ensure their normal operation, 3. Dust and clean the electrical system regularly to prevent dust and moisture from affecting electrical components. ☆♦☆ Filter and oil replacement ☆♦☆ The cleanliness and performance of the filter and oil directly affect the operating efficiency and service life of the concrete laser leveling. Therefore, regular replacement of filters and oil is very necessary. Please pay attention to the following points when replacing: 1. Select the appropriate filter and oil model according to the requirements of the equipment manual. 2. When replacing the filter, make sure that the new filter is of the same model as the old filter and is installed correctly. 3. When replacing oil, ensure the cleanliness of the fuel tank and oil circuit to prevent impurities and moisture from entering the fuel tank. 4. When replacing filters and oil, pay attention to safe operations to avoid oil splashing and fire accidents. ☆♦☆ Body cleaning and protection ☆♦☆ Body cleaning and protection are important measures to keep the appearance of the concrete laser leveling machine clean and extend its service life. Main tasks include: 1. Regularly clean the soil and dirt on the outer surface of the equipment to keep the equipment clean. 2. Carry out anti-rust treatment on the surface of the equipment to prevent rust and corrosion. 3. Perform periodic inspections and repairs on the paint and coating of the equipment to maintain its beauty and durability. 4. When parking the equipment, choose a dry and ventilated place to avoid the impact of moisture and high temperature on the equipment. ☆♦☆ Storage and transportation precautions ☆♦☆ Storage and transportation are inevitable links in the use of concrete laser leveling machines. Correct storage and transportation methods are of great significance to protect the equipment from damage and increase its service life. The following points need to be noted when storing and transporting: 1. When storing the equipment, ensure that the equipment is in a horizontal state to avoid tilting or collapse. 2. For equipment stored for a long time, it should be started and operated regularly to keep the moving parts of the equipment in good condition. 3. When transporting equipment, use professional transportation tools and fixtures to ensure the stability and safety of the equipment during transportation. 4. Avoid transporting equipment under harsh road conditions and climate conditions to reduce the impact and vibration of the equipment during transportation. To sum up, the repair and maintenance of concrete laser leveling machines involves many aspects, and factors such as the equipment's use environment, workload, and maintenance cycle need to be comprehensively considered. By implementing the above repair and maintenance methods, you can ensure the normal operation of the concrete laser leveling and extend its service life, thereby improving construction efficiency and quality. At the same time, these measures will also help reduce equipment failure rates and maintenance costs, creating greater economic benefits for enterprises.  

  Concrete with large slump: The mixing time needs to be appropriately increased, generally 30-60 seconds longer than concrete with small slump, to ensure that the concrete is mixed evenly, so that the excess water is fully mixed with cement and other materials to avoid segregation. At the same time, the amount of water should be strictly controlled and accurately measured, because the amount of water has a greater impact on the slump. Concrete with small slump: When mixing, pay attention to controlling the mixing force and time to avoid excessive mixing that causes the concrete to be too dry and hard, and lose good workability. Generally, the mixing time is relatively short, so that all materials can be evenly mixed. Concrete with large slump: Prevent concrete from segregation and water evaporation during transportation. The mixer truck should maintain a uniform speed, avoid sudden braking and sharp turns, and reduce the shaking of the concrete in the tank. At the same time, the tank body can be covered with a sunshade to prevent direct sunlight from causing water to evaporate too quickly and affect the slump. Concrete with small slump: During transportation, care should be taken to prevent excessive loss of concrete slump. If the transportation time is long, some plastic preservation measures can be considered, such as adding an appropriate amount of retarder. However, attention should be paid to the amount of retarder added to avoid affecting the setting time and strength of the concrete. Concrete with large slump: The pouring speed should not be too fast and should be controlled within a certain range, such as the pouring volume per minute should not exceed 1-1.5 cubic meters to avoid rapid flow and accumulation of concrete in the formwork, resulting in loose vibration or segregation. At the same time, it is necessary to avoid excessive free fall height of concrete. When it exceeds 2m, auxiliary tools such as string barrels and chutes need to be used. Concrete with small slump: Due to its poor fluidity, some auxiliary measures are needed during pouring to ensure that the concrete can fill every corner of the formwork. For example, artificial auxiliary spreading can be used to evenly distribute the concrete in the formwork to avoid concrete accumulation or local vacancies. Concrete with large slump: It is advisable to use a low-frequency vibrator, and the vibration frequency is generally 2000-3000 times/minute. Avoid using a high-frequency vibrator to cause over-vibration of the concrete. The vibration time should not be too long. The vibration time at each point should be controlled within 20-30 seconds, and the concrete surface no longer sinks significantly, no bubbles appear, and cement slurry appears on the surface. Concrete with small slump: It is usually necessary to use a high-frequency vibrator, and the vibration frequency is generally 3000-5000 times/minute to improve the fluidity and density of the concrete. The vibration time should be appropriately extended, and the vibration time at each point may take 30-40 seconds to ensure that the concrete is vibrated and dense, but it is also necessary to prevent excessive slurry on the concrete surface due to over-vibration. Concrete with large slump: When finishing, wait for the surface moisture to evaporate properly before proceeding, generally 1-2 hours after the concrete pouring is completed. The specific time is determined according to the site environment and the concrete coagulation. Usually 2-3 times of plastering are required to eliminate moisture and defects on the surface. Plastic film, geotextile, etc. should be used to cover the surface immediately during curing to prevent the water from evaporating too quickly and causing the surface to lose water and crack. The curing time is generally not less than 14 days. Concrete with small slump: Plastering can be done in time after the concrete surface is slightly dry, generally about 0.5-1 hour after pouring. Due to its low moisture content and fast surface drying, fewer plastering times may be required, but attention should be paid to the plastering quality to ensure that the surface is flat and smooth. It should also be covered and moisturized in time during curing. The curing time is generally not less than 7 days, but if the environment is dry or the temperature is high, the curing time should be appropriately extended.

Concrete laser levelings offer many advantages, including 1. High flatness: The concrete laser leveling machine uses laser technology, which can accurately control the height and slope of the ground to achieve high-precision ground leveling. 2. High efficiency: Compared with the traditional manual leveling method, the concrete laser leveling machine can greatly improve the construction efficiency and shorten the construction period. 3. Reduce material waste: Due to the high leveling accuracy, it can reduce the waste of concrete materials and reduce costs. 4. Easy to operate and maintain: The concrete laser leveling machine is simple to operate and requires low skills of workers. At the same time, the equipment is also easier to maintain. 5. Applicable to various floors: The concrete laser leveling machine can be applied to a variety of different floors, such as cement, asphalt, etc. However, concrete laser levelings also have some limitations: 1. Higher cost: The purchase and maintenance cost of a concrete laser leveling is higher, which may increase the total investment of the project. 2. Limited adaptability to terrain: The concrete laser leveler has limited adaptability to terrain, and may not be able to level some special terrain or obstacles. 3. Professional operation and maintenance are required: Although operation and maintenance are relatively simple, professionals are still required to operate and maintain the equipment to ensure the performance and life of the equipment. 4. Not suitable for small-area construction: For small-area construction projects, it may not be cost-effective to use a concrete laser leveler because of its higher cost. 5. Not suitable for short-term construction projects: Since concrete requires a certain amount of time to harden and stabilize, it may not be suitable to use a compact laser leveling for short-term construction projects. In general, concrete laser leveling machines have significant advantages in improving construction efficiency and achieving high-precision ground leveling. They are especially suitable for large industrial plants, logistics centers, airports and other places that require high-precision and high-strength floors. However, limitations such as its high cost and limited adaptability to terrain also need to be considered in practical applications.