How much labor does a laser leveling truly save compared to traditional methods？

Can artificially prolong the service life of laser leveling machine? In many dangerous places, we can use laser leveling machines instead of manual paving, which undoubtedly reduces the risk of work, but mechanical products also have a certain service life. If they are not well maintained, the service life of the equipment will be greatly reduced. Therefore, the equipment needs to be cleaned and lubricated after use. After all, precise maintenance can increase the service life of the equipment to a certain extent. 1. After the work is completed, please use the arm lift button to manually lift the machine head, and then push it out of the construction site. It is forbidden to push the machine when the vibrating leveling part is in contact with the ground to avoid damage to the vibrating plate. 2. After the construction is completed, it is necessary to rinse the machine with a high-pressure water gun in time (it is strictly forbidden to flush the water gun directly at the mesh part of the fuselage, so as to prevent water from entering the inside of the fuselage and causing short circuits, etc.). 3. The place where the machine is placed must be kept dry, and sundries and flammable and explosive materials must not be piled up around. 4. The battery of the machine also needs to be paid attention to. If it is not used together for a long time, make sure to remove all batteries from the host and receiver and store them properly. The transmitter comes with a rechargeable battery with a charging time of eight hours 5. During the use of the machine, please try to charge the battery after the battery is fully used. When charging, try to ensure that it is fully charged for 8 hours at a time. The recommended charging time is 12 hours for the first time, and 8 hours for subsequent charging. In order to avoid damage to the battery and the transmitter, please unplug the power plug in time after it is fully charged. 6. If the laser signal is lost during the construction process and the machine needs to be restarted, the interval should be more than ten seconds. 7. If the machine is placed on a stable ground when it is not used for a long time, lubricating grease should be added to each bearing part once a week, and lubricating oil should also be added to each chain to maintain good lubrication. At the same time, attention should be paid to avoid sand and other sundries. chain to prevent premature chain failure. Generally, at the end of one month or every construction period, the machine should be fully inspected and maintained once. Always pay attention to the tightness of the V-belt and the chain, adjust it in time if it is too loose, and adjust the fastening bolts frequently to prevent loosening. During the construction process of the concrete laser leveling machine, the timely detection and repair of various faults and defects of the machine is the basic guarantee for the efficient operation of the machine and the extension of the service life. It is of great significance to improve the production efficiency of the leveling machine and reduce the cost of use and maintenance.

    The key to adjusting laser leveling parameters is to "take concrete properties as the basis and laser benchmark as the core". It is necessary to achieve a balance between flatness and efficiency through three steps: matching material conditions, optimizing mechanical parameters, and adjusting the laser system.   Concrete slumpand Initial setting timeIt is the fault that determines all parameters. Different states require corresponding different settings, otherwise "over-vibration analysis" or "leveling failure" will occur. Specific status Core Impact Key parameter adjustment direction High slump (≥180mm) Strong fluidity, easy to segregate and produce sand 1. Reduce the vibration frequency (3000-4000 times/minute); 2. Slow down the driving speed (3-5m/min); 3. Reduce the scraper/warehouse pressure depth Medium slump (120-180mm) Moderate fluidity, easy to level 1. The vibration frequency is set to 4000-5000 times/minute; 2. Travel speed 5-8m/min; 3. Set the scraper/stack pressure depth to 5-10mm Low collapse (≤120mm) Poor fluidity, easy to honeycomb, uneven surface 1. Increase the vibration frequency (5000-6000 times/minute); 2. Slow down the driving speed to 2-4m/min; 3. Appropriately increase the scraper/warehouse pressure depth (10-15mm) After determining the foundation direction according to the concrete state, it is necessary to make detailed adjustments, vibration, walking, leveling. The three core parameters are the key to determining flatness. Vibration frequency: The core function is to make the concrete dense. If the frequency is too low, it is easy to hollow out, and if it is too high, it is easy to segregate. It is the first choice for conventional projects.4000-5000 times/minute. For thick concrete (≥200mm), the speed can be appropriately increased to 5500 times/minute, and for thin floors (≤100mm), it needs to be reduced to below 3500 times/minute to avoid vibrating dark and shallow layers. Vibration depth：The thickness of concrete pouring needs to be covered 1.2-1.5 times. For example, if the thickness of the poured ground is 150mm, the vibration depth should be set to 180-225mm to ensure that the upper and lower layers of concrete are tightly combined without stratification. Driving speed: Too fast will result in insufficient leveling and vibrating of the concrete, while too slow will affect the construction efficiency. It is recommended to follow the "Slow start, constant speed, slow stopPrinciple, normal speed is controlled at 5-8 m/min, the speed needs to be reduced by 2-3m/min in turning or corner areas to avoid edge abnormalities caused by centrifugal force. Walking path:use"Overlapping Paths", overlapping working width is200-300 mm, to prevent missing areas, especially suitable for large-area floor construction. Scraper/Neck Height：Based on the "reference signal" of the laser receiver, the initial height of the scraper must be higher than the design elevation.5-10mm high(Preset vibration subsidence amount), the warehouse height is slightly lower than the scraper (responsible for secondary finishing and leveling). Adjust：The consistency of the laser receiver determines the response speed of the equipment with high deviation. The large flat ground is set to "Medium sensitivity" (trigger adjustment when the deviation is ±2mm), corner or complex area setting "High sensitivity" (Adjustment is triggered when the deviation is ±1mm) to avoid surface depression caused by excessive adjustment. The premise for all parameter adjustments is that the laser reference is "accurate". If the laser system is offset, even the best mechanical parameters cannot guarantee flatness. Place it on a hard surface away from vibration sources (such as rollers and pump trucks), and use a spirit level to ensure that the transmitter is level (the bubble is in the center). After turning on the transmitter, use a tape measure or laser range finder to check whether the laser elevation within the 360° range of the transmitter is consistent (the workpiece must be ≤1mm). If the deviation is large, it needs to be corrected using the leveling screws at the bottom of the transmitter. Stop at a benchmark point with a known elevation (such as a poured lawn concrete block) and manually adjust the height of the receiver so that the display shows "Benchmark Elevation". Move the device to another reference point and check whether the display elevation is consistent with the actual height. If the deviation is greater than 1mm, open the host architecture panel and adjust the connection parameters between the receiver and the host. The chassis deviation should be ≤1mm.   The adjustment logic for the best leveling effect is "First determine the benchmark (laser layout) → then match the materials (adjust parameters according to collapse) → finally fine control (vibration, movement, flattening and refinement). After adjustment, it is recommended to conduct a trial operation on a small area (2-3㎡) first, check the flatness with a 2-meter ruler (the gap is qualified if it is ≤3mm), and then use the error parameters based on the trial operation results to avoid rework caused by direct large-scale construction. Concrete slump Vibration frequency Travel speed Scraper/stack pressing depth Laser receiver is the same ≤120mm (low slump) 5000-6000 (times/minute) 2-4 (m/min) 10-15 (mm) High deviation (trigger adjustment when deviation is ±1mm) 120-180mm (medium slump) 4000-5000 (times/minute) 5-8 (m/min) 5-10 (mm) Middle deviation (trigger adjustment when deviation is ±2mm) ≥180mm (high slump) 3000-4000 (times/minute) 3-5 (m/min) Appropriately reduce (mm) Middle deviation (trigger adjustment when deviation is ±2mm)   Note: The parameters provided in this document are for reference only and are not mandatory. Due to differences in technical characteristics between different brands and models of laser levelers, please consult the manufacturer for a suitable solution before actual operation. This reference document assumes no responsibility for any issues arising from failure to follow the manufacturer's instructions.

The use and promotion of concrete paving and leveling machines has ended the traditional construction of using mortar to punch piers, finding elevations, laying out side formwork, dump trucks to transport concrete, manual preliminary leveling, scraping with flat plates, and vibrating concrete with vibrators. Then a special double-row steel pipe is used to vibrate and tamp and level it back and forth. So how much do you know about this device? Next, I will give you a detailed introduction to the basic configuration of the concrete paving and leveling machine equipment. Let's learn more about it together. The basic configuration of concrete paving and leveling machine equipment is introduced in detail as follows: 1. The laser leveling machine uses precision laser technology, closed-loop control technology and a highly precise integrated hydraulic system, and is realized under the automatic control of a microcomputer. This is what distinguishes it from other floor construction techniques. 2. The concrete paving and leveling machine relies on a hydraulically driven leveling mechanism and cooperates with the laser system and computer control system to complete the leveling work while automatically leveling. 3. The laser transmitter used by the concrete leveling machine to control the ground elevation is independently arranged, and the floor elevation will not produce cumulative errors. Compared with traditional methods, the construction joints on the floor can be greatly reduced, and the subsequent maintenance costs of the ground and the use of formwork are also greatly reduced. 4. The laser transmitter equipped with the concrete paving and leveling machine can automatically control both the plane and the two-way slope. It is also completed by the laser system, microcomputer system, hydraulic system, and mechanical and electronic system. For complex-shaped floors with high requirements such as drainage, a three-dimensional special-shaped ground treatment system can also be selected. 5. Using solid anti-puncture tires, paving and leveling operations can be performed directly on the steel mesh. 6. The concrete paving and leveling machine comes with a high-pressure cleaning system, which greatly facilitates the cleaning of the bonded concrete on the machine, ensures the normal use of the machine, and extends the service life of the machine. Scope of application: Laser leveling machines are developed based on the increasing demand for ground quality such as strength, flatness, and levelness in modern industrial plants, large shopping malls, warehouses, and other large-area cement concrete floors. Indoor floors: ① Modern large-scale industrial plants, workshops, and automated three-dimensional warehouses. ②. Clean factories for electronic appliances, food materials, medicine, etc. ③, Large-scale warehouse supermarkets, logistics centers, convention and exhibition centers, etc. Outdoor floors: ①, terminals, container yards, freight yards, ②, airport runways, aprons, parking lots, ③, squares, residential floors, municipal roads, etc.