Concrete laser leveling summer maintenance

    ◑◐Construction method: Use a 3-4m light ruler to scrape the concrete surface, remove excess water and slurry, fill the low-lying areas with concrete, vibrate and re-trim, remove and trim the high parts, and then smooth them appropriately. The vibrator rod will also be used to "quickly insert and slowly pull out" to fully vibrate the concrete. The moving distance of each rod is generally not more than 1.5 times its effective radius (can be controlled as 30cm), and the distance from the template is less than 0.5 times the effective radius of the vibration. Vibrate until the slurry overflows on the surface of the concrete mixture, no longer sinks significantly, and no obvious bubbles overflow; then use the vibration beam to walk back and forth 2-3 times to level and raise the slurry to make the surface flat and uniform. ◑◐Applicable scenarios: Applicable to small projects, rural roads with narrow construction sites or relatively low requirements for flatness. For example, some self-built roads in rural areas, internal roads in small factory areas, etc. ◑◐Advantages: The equipment is simple and easy to obtain, the cost is low, the operation is relatively easy, and the technical requirements for operators are relatively low. ◑◐Disadvantages: The construction efficiency is low, the labor intensity of manual operation is high, the flatness control accuracy is limited, and it is difficult to meet the requirements of large-area, high-precision road projects. ◑◐Construction method: The laser emitted by the transmitter is used as the reference plane, and the leveling head is controlled in real time through the laser receiver on the laser leveling machine. Just like the laser leveling machine equipped with a HONDA GX690 engine (power 18.4kW/25HP, fuel tank capacity 19L), the steel bar is tied after the formwork of the civil engineering project. Before pouring concrete, the elevation is set on the column reinforcement and led to the laser leveling control system. When the pouring personnel scrape the elevation, the elevation is controlled to be 5-10mm higher than the design elevation, and then the machine operator uses the equipment to accurately level the concrete surface. The leveling width is 3m (9.84ft), and it adopts hydraulic screw conveying paving mode. The vibration system is hydraulic vibration, with a maximum excitation force of 2000N, which can be automatically calibrated and controlled at a certain frequency. After the water seepage of the concrete pouring surface is completed, the laser leveling instrument is used for re-measurement, the water accumulation is filled, and the 3-meter scraper is used to rotate and level it, and then the single-disc trowel is used to level the slurry. ◑◐Applicable scenarios: It is widely used in large-scale industrial plants, large shopping malls, warehouses, underground garages, airport runways, docks and other large-scale concrete floor projects with high requirements for ground flatness, horizontality and strength. For example, the workshop floor of a large automobile manufacturing plant, the floor of a large logistics storage center, etc. ◑◐Advantages: It can achieve high-precision and fast leveling of concrete, and the flatness and levelness of the ground are more than 3 times higher than conventional methods, and the density and strength are increased by more than 20%; it can improve work efficiency by more than 50% and save about 35% of labor; it can lay high-strength concrete, low-slump concrete and fiber concrete; and it can also automatically control the longitudinal and transverse slopes. The equipment has an all-aluminum body and is light in weight (net weight 835kgs / 1841lbs), which is convenient for operation under various working conditions. It is also equipped with an anti-skid system, a hydraulic brake system and a trailer system, a more precise height adjustment rod, a standard soft landing system for the working head, and switch detection and valve port calibration functions to ensure stable machine performance after long-term use. It is also equipped with two types of tires (inflated narrow tires and inflated wide tires) to adapt to different working conditions. ◑◐Disadvantages: The equipment has high purchase costs, high professional and technical requirements for operators, and requires professional training; the site requirements are relatively high, and it is inconvenient to operate in narrow and complex terrain sites. ◑◐Pre-construction preparation skills: Before construction, ensure that the roadbed is stable, the formwork is strong and installed straight and flat, and set up a support device every 1m. Accurately measure and lay out the construction site to determine the road elevation and slope. At the same time, clean the construction site to ensure that the ground is clean, dust-free, and oil-free. If there are cracks or unevenness on the ground, it needs to be repaired first. In addition, the quality control of raw materials and mechanical debugging must be done well to ensure the quality of concrete and the normal operation of equipment (such as the laser leveling machine equipped with the HONDA engine mentioned above). ◑◐Concrete spreading skills: Spread the material during pouring. When unloading with a dump truck or a mixer truck, it is strictly forbidden to concentrate the material on a few points to prevent concrete accumulation and ensure that the concrete mixture is evenly distributed. ◑◐Vibration operation skills: Use the vibrator to "insert quickly and pull out slowly" to avoid missing vibration and over-vibration. Control the moving distance of the vibrator and the distance from the formwork. For equipment using a hydraulic vibration system (such as the relevant laser leveling machine), the exciting force should be reasonably adjusted according to the characteristics of the concrete and construction requirements. ◑◐Surface treatment skills: Correct minor defects in the leveling process in time; rub the surface with a grinding disc to compact the slurry before the initial setting to eliminate water seepage channels and tiny cracks; complete the finishing and embossing processes before the final setting, and finish 3-4 times. Moisturize in time during hot and windy weather in summer to prevent the surface from evaporating too quickly and forming a hard shell. ◑◐Equipment upgrade and reasonable configuration: When conditions permit, give priority to equipment such as advanced laser leveling machines with the above parameters. Its hydraulic screw conveying paving mode and larger leveling width can improve construction efficiency. At the same time, according to the scale of the project and the conditions of the construction site, reasonably match other auxiliary equipment, such as concrete mixers, pump trucks, etc., to ensure smooth connection between concrete supply and construction. ◑◐Construction process optimization: Scientifically plan the construction sequence and operation area, adopt a segmented flow operation method, and reduce the waiting time between each process. For example, reasonably arrange the connection between concrete pouring, vibration, and leveling with a laser leveler (operated according to its performance parameters) to avoid idle work. ◑◐Personnel training and management: Strengthen the skills training of operators to enable them to master the operation of construction equipment (especially laser levelers) and construction processes, and improve their operating proficiency and accuracy. At the same time, optimize the division of labor, clarify the responsibilities of each position, and improve the efficiency of teamwork. ◑◐Strictly control the quality of raw materials: Select raw materials such as cement, aggregates, and admixtures of qualified quality, control the mix ratio, and ensure that the strength and workability of concrete meet the design requirements. For example, cement should be selected from brands with stable strength and reliable quality, and the particle size and mud content of aggregates should meet the standards. ◑◐Strengthen process quality inspection: During the construction process, use measuring instruments such as levels and theodolites to monitor road elevation, flatness, slope and other indicators in real time, and make timely adjustments when deviations are found. At the same time, do a good job in testing the slump of concrete and the compaction density. For laser leveling machine construction, it is necessary to regularly check whether the laser system and hydraulic system of the equipment (such as checking the accuracy of its height adjustment rod, the performance of the hydraulic brake system, etc.) are normal. ◑◐Protect the finished product: After the concrete pavement construction is completed, timely take maintenance measures such as covering and sprinkling water, and the maintenance time is not less than 14 days. Set up warning signs to restrict the passage of vehicles and pedestrians before the concrete strength reaches the design requirements to prevent damage to the road surface.  

After nearly ten years of development, the technology of laser leveling machine is gradually mature, and the types and models of the machine are more and more. Now the laser leveling machine on the market is roughly divided into three categories, small, riding type and large telescopic boom type. Choosing the suitable model will get twice the result with half the effort in the construction. In this Shandong Wanshi Machinery small series specially sorted out a few points for attention to buy laser leveling machine, in order to help users away from "being fooled", find a real professional focus on the good brand, good products.   First, do not choose low-price e-commerce products, but also consider the comprehensive strength of the enterprise For the current phenomenon and chaos in the laser leveling machine industry, the industry believes that consumers for an enterprise, the ultimate purchase of trust, is a comprehensive consideration. Maybe price is 25 percent of it, but at the end of the day, consumers are looking at the mix. In today's increasingly rational consumption habits, low price can only become a gimmick to attract consumers' attention, the real measure of a enterprise's success or failure or the symbol of the enterprise's product quality, after-sales service and the enterprise's own strong strength. And in the laser leveling machine industry shuffle trend is more and more obvious at present, the terminal is not sufficient, the network is not perfect, the brand is not well-known laser leveling machine enterprises, will face greater pressure.   Two, carefully choose the entry-level brand   For the concrete laser leveling machine this high-tech products, the quality of the concrete laser leveling machine in addition to technological innovation, there is another important factor, that is, experience. Different models, specifications of laser leveling machine products how to define? How to deal with ground smoothness? Laser emitter how to locate the problem, all need years of long-term accumulation in order to accurately grasp. The user in the choice of laser leveling machine products if the hasty purchase of just entry-level brand products, it is likely to become a "guinea pig", encounter all kinds of trouble. Identifying a brand is as simple as looking at when its patents were registered and looking at real examples from the past.   Shandong Wanshi laser leveling machine manufacturers have been committed to the research and development of concrete laser leveling machine for many years, its core components are produced by Germany, the United States and other advanced countries of large manufacturers of products, production process, in strict accordance with national standards, enterprise standards, quality control assurance system for production, Ensure that the quality of products meet or exceed the requirements of enterprise standards and relevant national standards, with excellent quality, excellent performance, superior cost performance to get the trust and praise of users.   Shandong Wanshi Machinery laser leveling machine product series has been widely used in the plant, customers throughout the Great River north and south, inside and outside the Great Wall, has been workshop, underground garage, floor, access bridge, square ground, logistics warehousing and other engineering project partners and customers recognition. We sincerely invite you to

To monitor the status of the concrete laser leveling in real time through a vibration sensor, the following steps can be taken: 1. Install vibration sensors: Install vibration sensors on key parts of the concrete laser leveling machine, such as the scraper or leveling beam. 2. Connect the sensor and control system: Connect the vibration sensor to the control system of the concrete laser leveling. 3. Set the alarm value: Set the alarm value of the vibration sensor as needed. When the vibration of the leveling machine exceeds the preset alarm value, the system will automatically sound an alarm and notify the operator to take appropriate action. 4. Real-time monitoring: The control system will monitor the data of the vibration sensor in real time and display the data to the operator through the control interface. The operator can check the vibration status of the leveler at any time and understand the operation of the leveler. 5. Abnormal handling: When the vibration sensor detects abnormal vibration, the control system will immediately issue an alarm and automatically take corresponding measures, such as shutting down or adjusting working parameters, etc., to protect the leveling machine from damage. 6. Recording and data analysis: The control system will also automatically record vibration data, and process and analyze the data through data analysis software. Through these data, the operator can fully understand the status of the leveling machine and provide a basis for equipment maintenance and upkeep. In summary, real-time monitoring of the status of the concrete laser leveling through vibration sensors requires steps such as connecting the vibration sensor to the control system, setting alarm values, real-time monitoring, recording and data analysis. In this way, abnormal conditions of the leveling machine can be discovered in time, ensuring the normal operation of the equipment, and improving construction efficiency and construction quality.