What are the special adjustment methods of laser leveling machines in different construction environments?
November 1, 2024
What are the special adjustment methods of laser leveling machines in different construction environments? 2
Laser leveling machine is a professional equipment used for large-area concrete construction such as concrete floors and ground, which can greatly improve the flatness and construction efficiency of concrete. In different construction environments, laser leveling machines need to make some special adjustments to adapt to environmental changes. The following are some common adjustment methods:
1. Ground slope adjustment: When constructing on a sloped ground, the laser leveling machine needs to be slope adjusted. This can be achieved by adjusting the angle sensor on the machine or using a dedicated slope meter. 2. Laser signal intensity adjustment: When there are obstacles or other interference sources at the construction site, the transmission of the laser signal may be affected. At this time, it is necessary to adjust the power of the laser transmitter or change the emission direction to ensure that the laser signal can be accurately transmitted to the receiver. 3. Height adjustment: When constructing on floors of different heights, the height of the laser leveling machine needs to be adjusted. This can be achieved by adjusting the lifting mechanism on the machine or using a dedicated bracket. 4. Temperature compensation: Since temperature changes will affect concrete materials, temperature compensation of the laser leveling machine is required when constructing in high or low temperature environments. Compensation can be made by adjusting the temperature sensor inside the machine or using a dedicated thermometer. 5. Ambient light adjustment: When working in a dark or bright environment, the brightness of the laser leveler needs to be adjusted. This can be achieved by adjusting the brightness control knob on the machine or using a dedicated light shield.
The above are some special adjustment methods for laser levelers in different construction environments. The specific operations should be carried out according to the actual situation and the equipment manual. At the same time, regular maintenance should be paid attention to during use to ensure the good operation of the equipment.
About the Author: Shandong Vanse Machinery Technology Co., Ltd.
Shandong Vanse Machinery Technology Co., Ltd. is a high-tech manufacturer specializing in concrete construction machinery, including laser screeds and related equipment. The company integrates R&D, production, and global sales, with products exported to over 60 countries and widely used in infrastructure projects worldwide.
Specific examples of how the use of power trowels reduces reliance on manual labor and increases efficiency.
The reduction in labor reliance and the improvement in labor efficiency through the use of power trowel are revolutionary. The following is visually illustrated through a specific comparative case and detailed data dissection. Project area: 10,000 square meters Concrete thickness: 15 centimeters Construction requirements: Meet the industrial standards for flatness (±3mm/2m) and smoothness (finishing). Strong laborers (carrying and preparing) : 4-5 people Plastering workers (responsible for finishing the surface) : 8-10 people (experienced master craftsmen are required) Total number of people: 12 to 15 people working simultaneously. Workers need to wear boots, line up on the initially set concrete, and use tools such as wooden power trowel and iron power trowel, bending over to repeatedly smooth and smooth it out. This is an extremely physically demanding process and a huge test for the workers' waists and arms. Because it involves multiple people working together, it is difficult to ensure even force application and consistent steps, which easily leads to a "wavy" ground. Daily completed area: A skilled team can complete a maximum of 800 to 1,000 square meters in a day (calculated based on 8 to 10 hours). Total construction period: It will take 10 to 12 days to complete 10,000 square meters of ground. Quality risk: Highly dependent on the technical proficiency and physical condition of workers. The construction quality dropped significantly after fatigue in the afternoon, and the joints were prone to unevenness. Extremely high labor costs: Calculated based on 15 people, the daily labor cost is huge. High management costs: It requires an outstanding foreman to coordinate over a dozen people, making management very difficult. Hidden costs: The risk of work-related injuries caused by workers' fatigue work and the cost of rework due to substandard quality. Power trowel operator: 2 (take turns to operate to prevent fatigue) Auxiliary workers (responsible for corner and pipeline handling) : 3-4 people Total number of people: 5 to 6. After the concrete is spread, vibrated and leveled, it is allowed to set initially. The operator drives the power trowel machine into the site to carry out large-scale rough power trowel (installing the disc) and fine power trowel (installing the power trowel). Auxiliary workers simultaneously use small hand-held power trowel or manually handle corners, column bases, and the area around equipment foundations that machines cannot reach. Daily completed area: One power trowel team can easily complete 2,500 to 3,000 square meters in a day. Total construction period: It only takes 3 to 4 days to complete 10,000 square meters of ground. Quality Assurance: The flatness is guaranteed by the machine, uniform and consistent, eliminating fluctuations caused by human factors. The surface density and smoothness are much higher than those of artificial ones. Labor costs have been significantly reduced: the number of employees has decreased by more than 60%. Equipment cost: The rental or depreciation expenses of the power trowel machine need to be borne, but they are far lower than the labor cost savings. The overall cost has significantly decreased: The shortening of the construction period has led to a reduction in management and rental fees, and the one-time excellence in quality has avoided rework. The overall cost-effectiveness is extremely high. Comparison dimension Pure manual operation Mechanized operation Enhance the effect Quantity of labor force 12 to 15 people Five to six people Reduce by approximately 60% to 70% Daily completed area 800-1,000 square meters 2,500-3,000 square meters Increase by approximately 200% to 300% Per capita daily efficiency Approximately 70 square meters per person Approximately 500 square meters per person Increase by more than 600% Total construction period 10 to 12 days Three to four days Shorten by approximately 60% to 70% Quality consistency Dependent on individuals and unstable Guaranteed by machines, it is uniform and stable From "craftsmanship" to "industrial standards" Labor intensity of workers Extremely high (bending over, carrying heavy loads Medium (standing to operate the machine) Significantly reduced occupational health protection Replacing ten with one, directly substituting heavy labor: The working efficiency of one machine is equivalent to that of a dozen skilled workers, directly solving the problems of "labor shortage" and "high labor costs". Technology empowerment lowers the skill threshold: Traditional plasters need several years to master solid skills. A power trowel operator can start working after a short period of training and can produce more stable quality. Transform reliance on "the experience of experienced masters" into replicable "standardized operations". Speed wins, shortening the project cycle: A shorter construction period means faster delivery and use, creating earlier returns for the owner, while saving a significant amount of on-site management costs and equipment rental costs for the construction party. The quality leap achieves dual benefits: higher flatness and better surface strength. It not only meets the strict requirements of modern industrial floors, reduces dust and wear problems during later use, but also completely avoids the rework losses caused by substandard quality. This is a "hidden" efficiency improvement. Conclusion: The use of a power trowel is not merely a simple "machine replacing human", but a comprehensive upgrade of the construction process. It has achieved a deep reduction in reliance on labor and a leapfrog improvement in labor efficiency by significantly reducing the number of workers, greatly enhancing operational efficiency, and fundamentally ensuring construction quality. It is an indispensable core equipment in modern concrete floor construction. 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.
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September 11, 2024
There are some particularities in replacing parts of concrete laser leveling machines. Are you familiar with the operating specifications?
With the rapid development of modern industry, the application of concrete laser leveling machines has become increasingly widespread. However, in the actual use process, there are also cases where the parts of the concrete laser leveling machine are damaged due to improper operation or excessive workload. In order to ensure the smooth progress of the project construction, it is necessary to replace the damaged parts in time. So, what is the correct posture for replacing damaged parts of the concrete laser leveling machine? The connecting rod of the horizontal diesel engine is split at 45 degrees, and the section should be facing down to improve the force of the connecting rod bolts. The connecting rod cap and the connecting rod are processed in pairs. When assembling the concrete laser leveling machine, the matching marks should be on the same side to ensure that the roundness and cylindricity of the connecting rod bearing meet the specified requirements. The main bearing caps and the bearing seats of the engine body are both processed by matching boring. They should be seated according to the matching marks. They should not be interchanged or the assembly direction should be changed at will to avoid damaging the coaxiality and dimensional accuracy of the main bearing seat hole. The bearing shells or bushings with oil holes should be aligned with the corresponding oil passage holes on the bearing seat and bushing holes to ensure that the oil path of the concrete laser leveler is unobstructed. If the concrete laser leveler has oil holes, they should be aligned with the corresponding oil passage holes on the engine body and cylinder head to avoid friction caused by oil shortage in the valve mechanism on the cylinder head. If there is no oil passage hole and the front and back shapes are the same, it is determined by the material of the cylinder head: for aluminum alloy cylinder heads, the curled side of the cylinder head should face the cylinder body; for cast iron cylinder heads, the curled side of the cylinder head should face the cylinder head. For pistons with upward arrows or other marks on the top, they should be installed in the direction specified by the marks; for pistons without marks, the vortex pit on the top of the piston or the small notch next to the pit should be facing the injector side to ensure uniform mixing of the gas. When assembling piston rings, those with "up" or "UP" marks on the top should face upward; for twisted rings without marks on the top, the inner circle groove or chamfer should face downward; chrome-plated rings (shiny shell) should be installed in the first piston ring groove, and the openings of each ring should be staggered by 120~180 degrees to ensure its sealing effect. Have you learned today how to correctly replace damaged parts of concrete laser leveling machines? If you have any questions, or if you have any questions about other technical issues, you can leave a message directly on this site. After receiving your feedback, we will definitely have professional technicians to reply to you in a timely manner.
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August 23, 2024
Introducing laser leveling machines to solve the difficulties in shale gas platform construction
As far as the concrete structure of shale gas platform is concerned, its construction requirements are generally relatively high, and the construction period is relatively long. With the continuous expansion of shale gas drilling platforms, the requirements for drilling rig foundation and platform flatness are constantly raised, and the drawbacks of traditional construction methods are gradually emerging. In order to reduce the labor intensity and improve the flatness of concrete, the application of laser levelling machine in shale gas platform construction has gradually become an inevitable trend. The following is a brief analysis of the specific application of laser leveling machine in shale gas platforms. 1. Analysis of shale gas platform construction status With the continuous acceleration of natural gas development speed, shale gas development gradually to the factory development, the platform area is also expanding, the drilling depth is also increasing, and the requirements for the flatness and construction cycle of the concrete floor are becoming higher and higher. The conventional construction method is to divide the warehouse according to the working width of the vibratory beam 6-7m, divide the whole site into 7-13 pieces in the width direction, support the mold or set up the guide rail on both sides of each piece, pour concrete and smooth the vibratory beam, such method needs to set up the template or adjust the elevation of the guide rail many times. Within the working range of the vibratory beam, the place where the concrete is not hollow and not full cannot vibrate, and small pit functions are more likely to be formed by bleeding and sinking during the later maintenance. Water accumulation occurs in rainy days after the completion of the site, which seriously affects the placement and production and use of shale gas production and transportation equipment in the later stage. Therefore, the conventional method can not meet the requirements of the flatness of the shale gas platform. 2. The feasibility of the application of laser leveling machine ▶ The leveling machine is small in size, light in weight, not high in road capacity, convenient and fast in transportation; ▶ The leveling machine has high degree of automation, low failure rate, simple operation and easy to learn, and low requirements for operators; ▶ The leveling machine has simple structure, low procurement cost, low use cost, and little loss due to weather and other reasons; ▶ The single leveling width of the laser leveling machine can reach 2~3m, the paving speed can reach 4~5m/min, the area of 500 square meters can be completed per hour, and the area of 4000 square meters can be completed every day. It can be seen that the construction speed is fast, and the efficiency is more than 3 times that of the conventional construction method, especially suitable for the shale gas platform construction period is high. Concrete surface construction with simple surface shape and large working surface; The laser leveling machine provides laser signal through a fixed transmitter, which can completely cover the whole scene. The receiver receives the signal in time, and the computer automatically calculates the design elevation according to the current position of the leveling machine, and issues adjustment instructions to the whole plate up to 10 times per second, eliminating the influence of uneven field base and greatly improving the smoothness of the concrete. Compared with the ground constructed by the laser leveling machine and the conventional method, 22 points were detected (one point every 5mx4m), and the average flatness was 1.3mm and 4.1mm, respectively. It can be seen that the leveling quality of the laser leveling machine is more than 3 times that of the conventional method. ▶ Due to the good platform visibility conditions, there is no need to change the position of the laser transmitter during the construction process of the laser levelling machine, which can reduce unnecessary processes and reduce errors caused by operational errors. In the construction process of concrete, it is not necessary to separate the bin support mold, only at the edge of the site support mold can reduce the support modulus of more than 74%. After leveling, the addition of a single disc hand-held polishing machine, double disc driving polishing machine and cutting machine can make the heavy manual labor into mechanical paving, vibrating, leveling, pulp lifting, plastering, which can reduce the operator by 30% compared with the conventional construction method, and save 2 to 3 yuan /㎡ than the conventional process. In summary, the laser levelling machine has fast speed, high efficiency and obvious economic benefits, which is suitable for the characteristics of shale gas platform, and it is very necessary and feasible to construct concrete in large areas in mountainous areas. At present, many pilot application results have confirmed that the use of laser levelling machine is not only feasible but also very necessary in the large-scale concrete construction of shale gas platform. On the one hand, the application of laser levelling machine can improve the flatness of the platform, on the other hand, it can also improve the construction efficiency, shorten the construction period and reduce the cost, compared with the conventional construction method, the benefits brought by this construction method are beyond doubt.